Negative exponent will go down to become positive
7/g²g⁴=7/g⁶
Could it possibly be that
Y=69
Z=59
Therefore 69+59=128
Answer:

Step-by-step explanation:
1) Flip the second fraction and change the operation to multiplication:

2) Cross cancel factors:

3) Multiply:

4) Simplify:

657.1 ?
As so get the surface area you do widths X length X height and you split the diagram so you only have to work out the cube and the prism by themselves, then you add them together to get 657.135 and rounding to the nearest tenth would be 657.1 I think :))
I think the answer is 2.25 mins of ridding before they caught up to each other