Answer:
B
Step-by-step explanation:
Add 25/7 on both sides
Subtract -x on both sides
Divide by 3 on both sides
Answer= 4/3
"sqrt" is shorthand for "square root"
The rule to use is
sqrt(x*y) = sqrt(x)*sqrt(y)
Factor 40 into 4*10, then use the rule above to get the following
sqrt(40) = sqrt(4*10)
sqrt(40) = sqrt(4)*sqrt(10)
sqrt(40) = 2*sqrt(10)
Answer:

Step-by-step explanation:
the GCF of the numbers is 16, for the variables choose the lower power.