For the data in the table does y vary directly with x if it does write an equation for the direct variation

a y=2x
b y=0.5x
c y=1.5x
d y doesn't vary directly with x

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

How can you construct perpendicular lines and prove theorems about perpendicular lines