Write the equation of the line that passes through the point (8, -2) and whose slope is 1/4

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

State if the two triangles are congruent. if they are, state how you know?

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.