Answer:
a3+13a
Step-by-step explanation:
sorry I don't know how to solve this
1*1*1=1
D. 1 Cubic Unit(s)
height*width*length=volume
Finding perimeter is simple. All you do is add up all of the side lengths, and bada bing bada boom, you got the perimeter.
Answer:
12
Step-by-step explanation:
You do what's in parentheses first, but everything is in parentheses so it's pretty much ineffective. In PEMDAS, addition and subtraction are coupled so you do them left to right. 6-1 is 5 and 5+7 is 12.