Zainab is paid £10.75 per hour in New Look.
a) Estimate how much she will earn if she works for 8 hours?

88

Step-by-step explanation:

10.75 would round to 11

11 * 8 = 88

7x(√x - 7√7) Multiply √7x to "√x" and "-7√7" respectively: 

√7x*√x - 7√7*√7x 

First is to simplify: √7x² - 7√7²x 

Extract the squares: x√7 - 7*7√x 

Then, we simplify: x√7 - 49√x 

After simplifying the equation, I got the answer x√7 - 49√x.

Step-by-step explanation: