Whats the sign of −567.45+567.45minus, 567, point, 45, plus, 567, point, 45?

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3