Amy loaned five dollars to each of 20 people siri corde amy loaned five dollars to each of 20 people ‏she recorded each loan by writing -5 dollars in her bank book what is the total change in the amount of money amy had before the loans

Given this information, which expression must represent the value of b?

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

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]