You throw a tennis ball straight down from the top of a building with an initial velocity of 30− feet per second. The time (in seconds) after you throw the ball is represented by t. Find the height (in feet) of the building.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

How do i multiply two digit numbers

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x