Find the slope of the line passing through the points (2,5) and (0,-4). i got -9.2 but it was wrong. what am i doing wrong?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

The equation line of cd is y=-2x-2. write an equation of a line parallels to line cd in slope-intercept form that contains point (4,5)