What values should a and b have so that the next system of equations has an infinite amount of solutions? ax - 7y = -188x - by = -9a

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

What is the answer to this problem? ignore the work. what is the correct answer?

Dimitri used a coupon that saved him 80 percent, or $6.87. he paid $34.35 for the items.dimitri used a coupon that saved him 80 percent, or $27.48. he paid $34.35 for the items.dimitri used a coupon that saved him 80 percent, or $6.87. the price of the items before the discount was $34.35.dimitri used a coupon that saved him 80 percent, or $27.48. the price of the items before the discount was $34.35.