Answer:
9
Step-by-step explanation:
6+x, when x = 3
6+(3)
6+3=9
Answer:

Step-by-step explanation:

Add 18 to both sides:


Subtract 9h from both sides:


Multiply both sides by -1 and flip the symbol:


Divide both sides by 2:


I believe x is 0 because if we assume y and x are 0 then 0=0 and 0= 5 x 0
Answer:
C
Step-by-step explanation:
It is C because multiplying exponents means you add the top number while dividing means subtract.
Answer: perimeter: 30 in. Area: 221 in
Step-by-step explanation: