--3.6 - 1.9t + 1.2 + 5.1t please help me solve it

Find the commission on a $590.00 sale if the commission is 15%.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Rosa and lisa ade practicing free throws on the basketball court. so far,rosa has made one-and a-half times as many free throws as lisa.what is the unit ratio of rosa's free throws to lisa's free throws?