A rectangle poster covers an area of 380.16 square inches of a display board. The width of the poster is 12 inches less than its length. Find the width of the poster.

What's the simplist form for the decimal 2.11

Find the vertex of this parabola: y=-4x^2+8x-12

300 times what gives us 200

Solve for x n (17 - 2) = 34r - r

CosA+cosB+cosC+cos (A+B+C) = cos (A+B). cos (B+C). cos (C+A)

Banks will pay you interest on your money based on the interest rate. True or false?

The perimeter of a rectangle is 136 ft. The ratio of its length to its width is 9 : 8. What are the dimensions of the rectangle? 40 ft by 28 ft 44 ft by 24 ft 48 ft by 20 ft 36 ft by 32 ft

Multiply (3x2 + 2x - 1) (2x + 3)

Find an angle x where sin (x) = cos (x)

Greta and Marge are collecting money for a local charity by taking donations outside of busy local businesses. Hoping to collect the most money today, Greta gets to her collection spot and begins collections at 8am.