Answer:
r = -46/3
Step-by-step explanation:
-3(r+2)=40
Distribute
-3r - 6 = 40
Add 6 to each side
-3r-6+6 = 40+6
-3r = 46
Divide by -3
r = 46/-3
r = -46/3
Answer:
40 more inches of fabric is needed to cover the entire table.
Step-by-step explanation: you add ten inches to every end of the table
Answer:
10
Step-by-step explanation:
he can buy 10 because 7×10=70
The last one I can't get the signs up