Which statement about the following system of inequalities is true? y-2x<2.5

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

If 25% of y is 30, what is 60% of y?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.