Which math operation determines the following pattern? 1, 4, 16, 64, addition subtraction multiplication division

John can eat 10 cookies in 1/2 hr how many cookies can he eat in 45 minutes make a proportion and solve

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?