# Which of the following is equivalent to the expression x2 – 16?

2 answers:

C is the right answer I think

**Answer:**

Answer is B

**Step-by-step explanation:**

By expanding the expression:

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4y² = 196

=

y² = 49

√y² = √49

|y| = 7

=/- y = 7

y = 7 , y = -7

**Answer: 7, -7**

If you pour out 1/4 of the water and it’s 7 gallons, then 7 x 4 ( or 7/.25) = 28 gallons.

The answer to your questions is 90

Amount = 252 / 0.72

= 350

**Answer:**

4x-7=x+2

3x=9

x=3

3-50=-47

**Step-by-step explanation:**