Me to I was doing the work but just lost it I will try again
Answer:
A -9
Step-by-step explanation:
7 is a prime number, 72 is not a prime number.
Hope this helped!:)
Answer:
xy = 28
Step-by-step explanation:
The formula for inverse variation is
xy =k
If y = 4 and x = 7
4*7 = k
28 = k
The equation is xy = 28
Answer:

Step-by-step explanation:
There are 60 minutes in 1 hour
To express as a fraction

Divide numerator/denominator by 15
= 