Liz's math test included a survey question asking how many hours students spent studying for the test. the scatter plot below shows the relationship between how many hours students spent studying and their score on the test.
which of the following is the best estimate of the average score change associated with a 1 hour increase in study time?

No one answered when i posted it so i posted it again i will give 20 points and brainliest the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8