Just finished this for another student.
Length = 9
Your answer is -5.
This is because, if you expand the single bracket, you get -6x -3a, and since the other side of the equals sign is -6x + 15, then you need to do 15 ÷ -3 = -5.
I hope this helps!
Answer: The number 8 goes into 40 five times, resulting in a final quotient of 2.5.
Step-by-step explanation:
Answer:
0.133
Step-by-step explanation:
12+18=30 7$per square inch 4÷30=0.133