Questions in Grade High-school

Questions in Grade High-school

[Free] A rectangular parcel of land has an area of [tex]7,000 \, \text{ft}^2[/tex]. A diagonal between opposite corners is measured to be 10 ft longer than one side of the parcel. What are the dimensions of the land, correct to the nearest foot?

[Free] What is the value of \(100b + 70\) when \(b\) is given?

[Free] The height of a ball above the ground in feet is defined by the function \( h(t) = -16t^2 + 80t + 3 \), where \( t \) is the number of seconds after the ball is thrown. What is the value of \( h(t) \) two seconds after the ball is thrown?

[Free] Olivia goes to Egypt and sees a model of a pyramid. She enlarges it using a scale factor of 1.2. What will be the perimeter and area of the new triangular pyramid?

[Free] A rectangular lot with a perimeter of 340 ft is fenced along three sides. An expensive fencing along the lot's length costs $42 per foot, while an inexpensive fencing along the two widths costs $6 per foot. The total cost of the fencing along the three sides is $5,340. What are the lot's dimensions?

[Free] Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water permeable (water cannot get inside). This waxy coating is which of the following types of organic molecule? A. Carbohydrate B. Lipid C. Protein D. Nucleic acid

[Free] A 15 kg block has a constant acceleration of [tex]2.2 \, \text{m/s}^2[/tex] down a 30-degree incline. What is the magnitude of the friction force on the block?

[Free] The glands that produce digestive fluids, the mucus-producing tissue lining the stomach, and muscle tissue help make up what? A. Cell B. Tissue C. Organ D. Organ system

[Free] The ratio of Sam's age to Hank's age is 5 to 3. If the sum of their ages is 24, how old is Hank?

[Free] Find a number that is 56 less than its square.