Answer:
Step-by-step explanation:
The student hasn't finished the factoring yet.
<u>He still needs the step:</u>
<u>The next step:</u>
- 0 = 2x + 5, 0 = x + 1
- x = - 2.5, x = - 1
Answer:
most likely no to me-
Step-by-step explanation:
i think it would go to 90 because that's closer
Answer:

Step-by-step explanation:
The given expression is 
Comparing to
, we have 
We add and subtract 

This implies that:

The expression in the rectangle is a perfect square

Therefore 
The answer is 1/4 x - 3 = 12
Answer:
B. x ≤ 2.
Step-by-step explanation:
56 - 10x ≥ 20 + 8x
-18x ≥ -36
x ≤ -36/-18 = 2. ( Note that the inequality sign flips because we are dividing by a negative value).