Answer:
47°;47°;113°;113°
Step-by-step explanation:
3x+5=61-x
4x=56
X=14
Answer:

Step-by-step explanation:
We have the expression:

We can use the power of a product property:

This yields:

We can evaluate 4 to the fourth:

Now, we can use the power of a power property:

So:

Multiply:

And we're done!
4 times 7 is 14 so I think the answer is 14. So diane played 14 minutes more than Sandra. So I think the answer is 14!
The answer is D) 12
8x +14=9x+12
8x+12=9x
12=1x
x=12