Please help theres two questions (-2x+8y-11)+(-3y-y+5) (A) what are the like terms in the two Linear expressions

(B) what is the sum of the linear expressions? Express your answer in simplist form. SHOW YOUR WORK. 100 POINTS
(-2x+8y-11)+(-3y-y+5)

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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?