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!
Answer:
4x+(-5y)
Step-by-step explanation:
Answer:

Step-by-step explanation:
We want to find the inverse of

We interchange x and y.

We need to solve for y, so let us multiply through by 2.

Subtract 6 from both sides.

Therefore the required inverse is

Answer:
158.4
Step-by-step explanation:
Answer:

multiply x through out:

factorise out x²:

take square root on both sides:
