I hope this helps you
length =width +6
Area=width × length
Area=w. (w+6)
Equation:

3x+10 = 45+10 = 55
The answer is 55 because this is a isosceles triangle.
Answer:
Expression D
Step-by-step explanation:
all other answers are above 15! hope this helps :D
Answer: X can not be 11 or higher, so that means this problem will be 10 or lower. There for the value of X=6
Step-by-step explanation: