Rectangle a is four times larger than rectangle b. rectangle b is 7 centimeters long and 2 centimeters wide. given that rectangle a wnd rectangle b are similar what is the area of rectangle a?

Three times the sum of a number and seven is negative thirty-six. what is the number?

W-16=-12 solve each one step equation plz

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)