A cheetah can run 70 miles per hour what is this speed in feet

What is the vertex form of f(x) = x2 + 6x + 3

Three times the sum of a number and seven is negative thirty-six. what is the number?

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm