What are the values of x for which the denominator is equal to zero for y=x^2+3/x^2+2

You make and sell triangular flags. each flag has a base of  3.53.5  feet and a height of  2.52.5  feet. fabric for the flags costs  $0.40$0.40  per square foot. what is the cost to make one flag?

Write an algebraic expression for the word expression the quotient of c and 8

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x