Answer:
D. 7n = 28
Step-by-step explanation:
Let's substitute 4 for n in each equation to check if it the resulting equation is correct:




Therefore the answer is D
So sum the prime factors up
25=5*5, 5+5=10
26=2*13, 2+13=15
27=3*3*3, 3+3+3=9
15>10>9
26 is biggest
pick 26
F(x) = 40 - 1.25x is a function.
You would have to know the height of the 8th graders
Step-by-step explanation:
the electromagnet lasts only as long as there is supply of electric current