If y varies directly with x and y = -18 when x = 12
find x when x = 2. Help me lol

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat