Answer:
(+5) and (-9)
Step-by-step explanation:
(+5) + (-9) = -4
(+5) × (-9) = -45
Symmetric Property of Equality
Answer:
7 hours
Explanation:
This week Melisa studied for 28 hours. Last week she studied 1/4'th of it.
So to find last week study hours. Divide this weeks study hours by 4.
Last week study hours:
- this week study hours ÷ 4


