Answer:
5
Step-by-step explanation:
When a square root of an expression is multiplied by itself, the result is that expression
5=x
Answer:
-10.25,-3.75 then the next one is -5.75,-10.75
Step-by-step explanation:
Answer:
5,13,18
Step-by-step explanation:
guessing
This can be solved using a system of equations.

Subtract y from both sides.

Substitute:

Subtract 80 from both sides:

Divide both sides by 5:

Substitute.