What is the value of b in the equation (y^-9)^b = y^45? a. –405 b. –5 c. 5 d. 405

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?