Answer:
Inverse Operations
Inverse operations
Division
Step-by-step explanation:
+4 on both sides
-17 both sides
Divide by 20 both sides.
I think it’s B if not I can’t tell because I can’t see all the questions .
I think it’s c sorry if it’s wrong
Answer:

Step-by-step explanation:
The question relates to dividing a fraction by proper and another fraction
The given expression is presented as follows;

We rearrange the fractions as improper fractions for easier division as follows;


Therefore, we have;


Answer:
The number of feet she will travel back is 1 or 7 feet
Step-by-step explanation:
Here, we need to solve the quadratic equation
That will be as follows;
0 = x^2 -8x + 7
x^2-x-7x+ 7 = 0
x(x-1)-7(x-1) = 0
(x-1)(x-7) = 0
x = 1 or 7
The number of feet she will travel before coming back to the surface of the water is 1 or 7 feet