Write the equation in slope intercept form for the line that has a slope of -3 and y intercept of (0,5)

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

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

∆red ≅ ∆ by rule will give brainiest if possible