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Questions in Grade College

[Free] Multiply using the Product of Conjugates Pattern. $(3 x+1)(3 x-1)=$ $\square$

[Free] Why did Southern states progress more slowly than Northern states? A. The South had no colleges. B. The North had more of a social and economic mix. C. All Northerners were required to attend school. D. Everyone in the North had a job.

[Free] Genevieve is cutting a 60-inch piece of ribbon into a ratio of [tex]$2: 3$[/tex]. Since 2 inches are frayed at one end of the ribbon, she will need to start 2 inches in. This is indicated as 2 on the number line. [tex]$x=\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1$[/tex] Where will her cut be located? Round to the nearest tenth. A. 25.2 in B. 29.4 in. C. 35.1 in D. 40.7 in

[Free] Factorise: [tex]8 x^2 y^2+4 x^2-12 x^2 y[/tex]

[Free] Which factor of the physical environment is changed when fertilizers are added to the soil? A. amount of minerals B. amount of water C. change in pH

[Free] An Internet and cable-television supplier surveyed a random sample of their customers. The results are shown in the table. Satisfaction of Internet and CableTelevision Customers | | Satisfied | Not satisfied | Total | | :---------------- | :-------- | :------------ | :---- | | Internet | 1,820 | 212 | 2,032 | | Cable television | 824 | 285 | 1,109 | | Total | 2,644 | 497 | 3,141 | Which statement about the two-way frequency table is true? A. The survey represents quantitative data. B. There is a greater percentage of Internet customers who are not satisfied than cable television customers who are not satisfied. C. About half of the customers surveyed are cable-television customers. D. About one-fourth of the cable-television customers are not satisfied.

[Free] Using the data from the table, determine if there is a linear trend between the age of a house and its value and determine if there is an exact linear fit of the data. Describe the linear trend if there is one. a. Negative linear trend, an exact linear fit. b. Negative linear trend, not an exact linear fit. c. Positive linear trend, an exact linear fit. d. Positive linear trend, not an exact linear fit.

[Free] A company sells 100 units in June. Calculate the cost of goods sold using first-in, first-out. | | Units Received | Unit Cost | |---|---|---| | June 4 | 70 | $2.00 | | June 11 | 30 | $3.00 | | June 18 | 60 | $2.10 | | June 25 | 40 | $2.40 | $ per unit

[Free] A painter has $\frac{2}{3}$ gallon of paint. Each section of fence requires $\frac{2}{9}$ gallon of paint. How many sections can the painter paint with the amount he has?

[Free] The table represents an exponential function. | x | y | |---|---| | 1 | 6 | | 2 | 4 | | 3 | 8/3 | | 4 | 16/9 | What is the multiplicative rate of change of the function? A. 1/3 B. 2/3 C. 2 D. 9