Answer:
Step-by-step explanation:
3x and 8x

Factor the denominators.

Adjust fractions based on LCM.

Denominators are same, so add the fractions.

Expand the numerator.

Answer:
75%
Step-by-step explanation:
Think of it this way. 3 quarters is 75 cents. It's the same as 3/4, since 4 quarters makes $1.00.
Answer:
look it up :)
Step-by-step explanation:
:)
Divide each term in the y column by 2 to go from this list {8, 2, 0, 2, 8} to this list {4, 1, 0, 1, 4}
This list {4, 1, 0, 1, 4} is a bunch of perfect squares so it suggests that y = x^2
However we must double the values to get back to the original list. So the rule is y = 2*x^2