Answer: the answer is C
Step-by-step explanation: I hope this helps a little :)
1) Solving
we get 
2) Solving
we get 
3) Solving
we get 
Step-by-step explanation:
We need to solve the following expressions:
1) 
We will solve this expression by factoring common terms:

Factoring 4 from 4a+4b and -c from -ac-bc

Taking common term

2) 
We will solve this expression by factoring common terms:

Taking 8 as common term:

3) 
We can solve the expression by breaking the middle term into 2

Keywords: Finding factors
Learn more about Finding factors at:
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4 only has three factors 1,2,4. 4 times 1 and 2 times . No other possible combinations making Adam wrong.
Answer:
x = 48
Step-by-step explanation:
It is a 90 degree angle. So first you would subtract 42 from 90 degrees. Then you'd get your answer! Hope this helped
Answer:
She should have substituted y = 17 - 2x in the first equation
Step-by-step explanation:
3x + 4y = 33
2x + y = 17
y = 17 - 2x
3x + 4(17 - 2x) = 33
3x + 68 - 8x = 33
5x = 35
x = 7
y = 17 - 2(7)
y = 3
x = 7, y = 3
Only one solution