15. List all the subsets of the following sets. (a) P = {1, 2}
(b) Q = {pen, ink, ruler}
(c) R = {Thailand, Vietnam}
(d) S = {a, e, i, o}

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250