State the number of complex roots and the possible
number of real and imaginary roots for each equation. Then find all roots.
(x2 + 7)(x2 + 5) = 0

(x - 2)(x + 2)(x2 + 4) = 0

Find an equation of the line perpendicular to the graph.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air