Determine if XY is tangent to circle Z. x =

m ∠ A =

m ∠ B =

m ∠ C =

m ∠ D =

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

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?