Answer:
42v-59
Step-by-step explanation:
distribite negative sign then combine like terms
170 people I believe
93 + 47 = 140
140 + 25/2 = 140 + 13 = 170
b 70-79
He will need 168 square feet. I think.
The common difference is -20
Simply subtract 5 from -15
-15-5 = -20
