Which of these system of linear equations has no solution

A. 2x+8y=15

4x+16y=30

B. 2x-y=18

4x+2y=38

C. 4x+7y=17

8x-14y=36

D. 4x-3y=16

8x-6y=34

Find the perimeter of a square equal in area to two squares whose sides are 12 m and 5 m respectively

Denise's cell phone plan is $29.95 per month plus $0.10 per minutes for every minute over 300 minutes of call time. Denise's cell phone bill is $99.95. For how many minutes was she billed?

Which scenarios have a negative correlation? Check all that apply. the number of calories consumed and the amount of weight lost by a person the temperature outside and the number of pool guests the number of children assigned to a class and the

Sam is 5 years old. His older brother, Tom, is three times as old as Sam. When Sam is 20, how old will Tom be?

The population of Arlington in 2000 was 12,475. In 2010 the population had grown to 17,926. What was the percent increase in the population?

Which expression can be used to find the volume in cubic

During the last 15 years of his baseball career, Andrew hit the following number of home runs each season.

What are the common factors of 14,45 and 90 90?

4 over x+4 - 2 over x+1

The sides of a square garden are 8 feet long. You enlarge the garden to create a 25% increase in the length of each side. Find the nw length of the sides.