Equivalent expressions are expressions with the same value.
The equivalent expression of
is 
Given that:

Open brackets

Collect like terms


Hence, the equivalent of
is 
Read more about equivalent expressions at:
brainly.com/question/18257981
Answer:
The area of the square base is 100 in.2.
The area of each triangular face is 40 in.2.
Alexander will need 260 in.2 of paint.
Step-by-step explanation:
I dan't have an explanation I just guessed.
Answer:
The unknown number is 
Step-by-step explanation:
Let's make the unknown number x.
The sum of 5 TIMES a number (x) & 8 is 9.
Let's write it mathematically.
5x + 8 =9
We are trying to find the unknown number, so let's remove all the numbers from the left side to find x. Minus 8.
5x=1
5x is basically 5 times x, so to find x, we need to divide and from there we can remove 5.
x= 
answer
c
Step-by-step explanation:
because, u add them and then divide by 3 and that is ur answer
I’m guessing you want oh know what x and y are?
If so isolate the variable and do the inverse of the operation
If not please correct me ^^