Line v passes through points (2, 3) and (9, 1). Line w is perpendicular to v. What is the slope of line w?
Simplify your answer and write it as a proper fraction, improper fraction, or integer.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

What is the value of the expression below? 148+(-6)| + |– 35= 7|

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?