A line passing through which of the following pairs of coordinates represents a proportional relationship? A.
(2, 5) and (4, 7)
B.
(2, 5) and (5, 10)
C.
(4, 5) and (8, 7)
D.
(4, 5) and (8, 10)

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?