Select the correct difference. -3z^7 - (-5z^7)

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

If the discriminant if a quadratic equation is 4 which statement describes the roots?