Answer: 1st,2nd, and 4th one are correct.
Step-by-step explanation:
Answer:

Step-by-step explanation:
<u>Step 1: Distribute
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<u>Step 2: Distribute again
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Answer: 
7x/x-4 * x/x+7
mutiply the numerators together
(7x)(x)= 7x^ 2
mutiply the denominators together
(x-4)(x+7)
(x)(x)(7)(x)= x^2+7x
(-4)(x)(-4)(7)= -4x-28
x^2+7x-4x-28
x^2+3x-28
Answer:
7x^2/x^ 2+3x-28
Answer:
They get .83 cup per.
Step-by-step explanation:
Divide 6 by 5. So do 6 / 5, which gets you 0.833333333
Answer:
The Answer: 50°
Step-by-step explanation: