Have u tried to use slander its an app for answers ?
Answer:
x+9
Step-by-step explanation:
the sum is the answer to an addition question
"a number" is a variable (I chose x, but it can be pretty much anything you'd like :)
so, the sum of a number and 9 would be x+9 because you are adding "a number" and 9
Answer:
i think it's b sorry if it's wrong
Step-by-step explanation:
D, multiply the number and add the exponents.
Answer:
53, -84, 24, -38
Step-by-step explanation:
