Questions in Grade High-school

Questions in Grade High-school

[Free] A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?

[Free] Differences between DNA and RNA include which of the following? 1. RNA consists of one nucleotide chain. 2. RNA contains the nitrogen base uracil instead of thymine. 3. RNA contains the sugar ribose instead of deoxyribose. a. 1, 2, and 3 b. 1 and 2 c. 2 and 3 d. 2 only

[Free] A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square root of the time the plane is used. If a lesson plus 16 minutes of plane usage costs $90, what is the total amount charged for a lesson with 36 minutes of plane usage?

[Free] What is the average of 30, 40, and 80?

[Free] A biome that contains a layer of permanently frozen soil, called permafrost, would be classified as: A. taiga B. desert C. tundra D. savannah E. temperate deciduous forest

[Free] Most autotrophs make "food" through the process of: A. photosynthesis B. homeostasis C. chemosynthesis D. cellular respiration

[Free] If [tex]y^8 = 4[/tex] and [tex]y^7 = \frac{3}{x}[/tex], what is the value of y in terms of x?

[Free] A boy can swim 75 feet in 12 seconds. What is his rate, to the nearest mile per hour?

[Free] Miguel ordered a party tray of sandwiches for a birthday party. During the party, the guests left [tex]\frac{2}{5}[/tex] of the sandwiches. The next day, Miguel shared the leftover sandwiches with his family, who ate [tex]\frac{7}{11}[/tex] of the remaining sandwiches. Which fraction represents the portion of the entire tray Miguel's family ate?

[Free] How do enzymes help to carry out biochemical reactions? A. By decreasing the energy of the reactants B. By increasing the activation energy of the reaction C. By decreasing the activation energy of the reaction D. By increasing the energy of the products of the reaction E. By decreasing the energy of the products of the reaction