An equilateral triangle and an isosceles triangle share a common side. what is the measure of angle abc? i need with question 13 asap!

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)