Answer:
hes paid 13,640
Step-by-step explanation:
For problems like this you can move the y's on the bottem up top by fliping the sign of the exponent (in this case 7 to -7) and MULTIPLYING it with EVERYTHING on top, then because of properties of multplication you can add the exponents to combine them into one term (in this case add 3 and -7 to get -4)

If any of this does not make sense let me know and ill try to clarify better
Yes she will fit it because 42+84=126. 126 is more than 96.
Answer:
The simplest answer would just be 14:19
However the unsimplified answer is 1260:1710
The answer is 5/8 x 24 is equal to 15 hours