What common base can be used to rewrite each side of the equation
2
3
5
8

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

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?