The length of each side of parallelogram RSTU is multiplied by three to create parallelogram WXYZ. What is the ratio of the area of parallelogram RSTU to the area of parallelogram WXYZ?
A.1:3
B.1:6
C.1:9
D.1:27
E.1:81

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Using elimination, what is -4x+2y=-12 4x+8y=-24

Why is x= 4 a solution to the proportion 14/x 56/1 6