Answer: 8.75
Step-by-step explanation:
12.50 x 30% or .03
= 3.75
3.75 - 12.50
= 8.75
Answer:

Step-by-step explanation:
Given the expression

<u>Expand and simplify the expression</u>

Expand 4(2x + 7) = 8x + 28

Expand -3(x + 5) = -3x - 15

Group like terms

Add similar elements: 8x - 3x = 5x

Simplify

Therefore, we conclude that:

Answer:
50.27 or 16pi
Step-by-step explanation:
Just multiply the diameter by pi
Answer:
(1,1)
Step-by-step explanation:
Since y=x, we can say x=x^2-x+1. This means x^2-2x+1=0. x=1, y=1, thus your solution is (1,1).