6x^2+2x-9=0 a 6.4, -8.4 b 1.1, -1.4 c -2.2, 2.8 d -1.1, -1.4

The sixth grade art students are making a mosaic using tiles in the shape of right triangles. each tile has leg measures of 3 centimeters and 5 centimeters. i f there are 200 tiles in the mosaic what is the area of the mosaic.

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?