Convert r=10cos(theta) to rectangular coordinates

Yo y do yall have 2 stars that means yall wrong bro

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

Twelve less than a number is at most 20