Two dice are rolled what is the probability of not getting doubles?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

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?