Question

At 4pm the temp started to change drastically.each hours for 3 hours the temp decrease by 7 which expression best shows another way to write the product for temp change

Answer 1

Answer: C

Explanation:

:)

Answer 2

The one you have selected is correct! One way you can single out the answer is because it can only have three 7s because it says 3 hours, and also because it is a decrease, so it needs to be negative.