Subtract. –12 – (–7) a. –84 b. –19 c. –5 d. 19

Can someone pls ! pls answer all. no explanation needed..

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have