Answer:
b = 1.778279, −1.778279
Step-by-step explanation:
Answer:

Step-by-step explanation:
1) Subtract 40 from both sides.

2) Simplify -16 - 40 to -56.

3) Divide both sides by -8.

4) Two negative numbers makes a positive.

5) Simplify 56/8 to to 7.

<em><u>Therefor</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>option</u></em><em><u> </u></em><em><u>B</u></em><em><u>.</u></em><em><u> </u></em><em><u>x</u></em><em><u> </u></em><em><u><</u></em><em><u> </u></em><em><u>7</u></em><em><u>.</u></em>
The answer is B because 5^3 is 125 so the approximate answer is 124.75
16-4=12
12x5=60
I'm putting together assumptions as this isn't really clear to me, I apologize.