Answer:
Step-by-step explanation:

Remember the multiply and add rule or improper fractions. To convert from a mixed number to an improper fraction, one must multiply the number part of the mixed number by the bottom (denominator) on the fraction. Then one must add that to the numerator (top) of the fraction. Since 7 is 1 less than 8, then one would have to multiply 15 by 1, and add it to 11, to get the value on top of
The value would be;
Answer:

Step-by-step explanation:
we have

Solve for x
Adds 6 both sides


Divide by 3 both sides

square root both sides

Remember that

so

simplify

Shown Where? You didnt add a picture of a graph