Find the constant of proportionality k as a fraction in simplest form. then enter an equation for the relationship between x and y. x 12 24 36 48 y 2 4 6 8 the constant of proportionality, k = the equation is y =

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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?

Is the power produced directly proportional to the wind speed, give reasons for your answer?