Solve for z. what is the root? if there is none, choose none. z = -1 z = 1 none

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Ataxi company charges $3 for pick-up plus $0.65 for each mile. select the expressions that represent the cost in dollars for a taxi pick-up and m miles. mark all that apply.

Im so bad at fractions they are not my best math thing to work on