Which of the following has no solution?
{x | x ≤ 1} and {x | x ≥ 1}
{x | x < 1} and {x | x > 1}
{x | x ≤ 1} or {x | x ≥ 1}

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

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?