-3x = x * -3 First, is this equation true for all, some, or no values of x?

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

What are the soultion(s) to the quadratic equation 40- x^2=0

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?