A 15 tip is left on a $68.75 dinner bill. How much is the tip?

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?