Help please I don’t understand help ASAP

square root of 66

Step-by-step explanation:

6/x=x/11

x^2=66

X=66

x= the square root of 66

150 pages

Step-by-step explanation:

76%

Write as a decimal by dividing by 100

76% / 100 = 0.76x

0.76

Add a decimal (x)

0.76x

Set equal to 114 (the page Mary is at)

114 = 0.76x

Divide 0.76 by 114

x = 150

There are 150 pages in the book

Hope this helps :)