When the sun's angle of elevation is 57 degrees, a building casts a shadow 21 m long. how high is the building?

41/17 as a decimal rounded to the nearest hundredth

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12