Use inverse operations to solve the following equations for the given variable. Equation
7w = 21

m7= 5

6b = -42

x5=10

8b = 96

y2= -20

-6c = -36

4p = 48

m-11= -3

k-2= 4

12g = -60

-3w = -39

m-9=20

w4= -60

17b = 51

30 is 6 multiplied by a number y as a equation

What is the value of the expression below? (81^2)^1/8

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this