Angle a and b are complementary. m angle a = 2x and m angle b = 4x +30. what is the measure of the angle supplementary to angle a?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe