An airplane can ascend a rate of 53 1/2 meters in 2/3 of a second. how many meters can the airplane ascend in one second

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Simplify using positive exponents only.

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.