The height h (t) above ground (in yards) of a helium- filled balloon t seconds after release is shown in the
table.
What is the average rate of change of the balloon from
t = 7 seconds to t = 15 seconds?
a) 0.8 yd/sec
b) 1.25 yd/sec
c) 1.59 yd/sec
d)2.14 yd/sec

What is the reflection image of (5,-3) across the line y = -x?

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.

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.