Answer:
(x^2)-4
Step-by-step explanation:
expand using the distributive property of multiplication
Answer:
3.12 meters in one month
Step-by-step explanation:
In three months if the glacier retreated 9.36 then you can find what it retreaded in one month by division so,
9.36/3=3.12 meters in one month
Answer:
b
Step-by-step explanation:
The second description is not suitable.
It should be "simplify the terms" sice you are just adding 36 and -20.
Consider the given expression,

Apply the distributive property,

Combine like terms,

Subtract 20 from both sides,

Divide both sides by 27,