C) Y^2=16
Because the two numbers combined to get 16 are:
4 x 4 = 16
Or
-4 x -4 = 16
Answer:
Step-by-step explanation:
Grace paid $4.80/(4 notebooks) = {$4.80/4)/notebook = $1.20 per notebook
Jim paid $3.90/(3 notebooks) = ($3.90/3)/notebook = $1.30 per notebook
Grace found the better buy.
Answer:
12x+20
Step-by-step explanation:
2(5x+2)+2(x+8)
or (simplified)
10x+4+2x+16=12x+20
Answer:

Step-by-step explanation:
Given
Rate = 130.16 miles for 5 gallons
Required
Number of gallons used for a journey of 60 miles
The rate in miles per gallon is calculated as:

When distance = 130.16 and gallons = 5, we have:


When distance = 60 miles.
Substitute 60 for distance and 26.032 for rate in 

Cross Multiply


--- <em>approximated</em>