I'm trying to my son with this and i'm so confused.

which equation represents a line parallel to the x axis, perpendicular to the y axis, and has a slope of 0?

a. y=4/5x + 5/4

b. y=5/4x

c. y=4/5

d. y=5/4

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Evaluate the expression. (9 + 5)(3 + 2)0

Is (root2 -2)^2 rational or irrational. show the steps and answer fast