Which two numbers have a product of -21 (multiply to -21) and a sum of 4(add to 4)?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?