Answer:
B
Step-by-step explanation:
add 7 to get away the 7 on the left hand side
square both side to eliminate square root
Answer:
Step-by-step explanation:
you have to move the x’s to one side. so the equation would look like
5x = 15
then you have to divide both side of the equation by 5 to get the x by itself which leaves you with
x = 3
Answer:
A- 3 3/4
Step-by-step explanation:
15*1/4= 3 3/4......
Answer: 15
Step-by-step explanation: there is a total of 126 people just find the first number that's divisible by 9 that's above it and divide