Answer:
b should be it.
Step-by-step explanation:

Answer is

When it's powered numbers, remember to choose the one with the largest power. For example,

And

Choose 10, same goes to y, where you choose 7 not 4 since 7 is larger.
Hope this helps. - M
A/78 = 25/100 . . . . the equation
a = 78*25/100 = 19.5
19.5 is 25% of 78
Answer:
x=2
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.