How many liters of water should be evaporated from 60 liters of a 28% salt solution so that the remaining solution contains 32% salt?

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.