Which equation represents a line that is perpendicular to a line containing the points (1,-2) and (3,4)? A) y=3x-3
B) x+3y=9
C) 3x+y=-5
D) y-2=3(x+1)

Which expression is equivalent to? assume x > 0 and y > 0.

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3