Answer:
D, -1
Step-by-step explanation:
when distributing the 2 to the 2x and 5 you get the same equation as the other side.
do paranthesis first, then exponent, then multiply, add then subtract from left to right
9: D
10: -1
Step-by-step:
9: solve the product, multiply 2 and 3, then add.
10: use a calculator or something, I recommend desmos.
