A football is kicked from the ground and travels at a rate of 10 meters per second. The function ()=10−52 represents the ball's height above the ground at x seconds. Based on this function model, what is the football's highest point and how long will it take to hit the ground?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7