Answer:
Step-by-step explanation:
It only has two number sentences because 81 divided by anything else wont work only 9 would. Also since 9 times 9 is equal to 81
Fourth one i think (the way u typed the q is confusing)
Answer:
D
Step-by-step explanation:
y = 4 is a horizontal line which would be parallel to the x axis
Isolate the variable by dividing each side by factors that don't contain the variable. p=q/2r
