Need help fast! Determine whether the equation represents a direct variation. If it does, find the constant of variation.
7x + 2y = 0
A. Yes; k= 7/2
B. Yes; k= 2
C. Yes; k= -7/2
D. No

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!