The graph shows the number of paintballs a machine launches, y, in x seconds: :

which expression can be used to calculate the rate per second at which the machine launches the balls?

(a) fraction 64/4
(b) fraction 4/64
(c) fraction 16/4
(d) fraction 4/16

Which of the following tables represents exponential functions?

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.