Answer:
A. 
Step-by-step explanation:
÷ 
21 ÷ 7 = 3
28 ÷ 7 = 4
Answer:
c. 8 1/3 cups
Step-by-step explanation:
3 1/3 * 2 1/2 = 25/3 or 8 1/3
Answer:
(0 , 1), (4, 9).
Step-by-step explanation:
y = x2 – 2x+1
y = 2x+1
Substitute y = 2x + 1 into the first equation.
2x + 1 = x^2 - 2x + 1
x^2 - 2x - 2x = 0
x^2 - 4x = 0
x(x - 4) = 0
x = 0, 4.
When x = 0, y = 1.
When x = 4, y = 8 + 1 = 9.
Answer:
11x-4
Step-by-step explanation:
10x + x = 11x
-7 + 3 + -4
keep the sign in front of the number/variable
Addition Property of Equality
