Solve the formula for the indicated variable. Then use the supplied values to solve the equation.The total surface area of a rectangular solid of length L, width W, and height H is given by 
Solve for H. What is the height if the area A is 2768 cm2, the length is 35.5 cm, and the width is 12.9 cm? (All measurements are approximate.)
A. H = A - 2LW - 2L - 2W = 1760 cm
B. H = 
= 1160 cm
C. H = 
= 47.7 cm
D. H = 
= 19.1 cm
Answer: D
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Find a formula for the expression. Use sigma notation.
A. xny-1 + 
xn-kyk-1
B. + xny-1 + 
xn-kyk-1
C. xny-1 + 
xn-kyk
D. xny-1 + 
xn-kyk-1
Find the vertex of the parabola associated with the quadratic equation.y = x2 - 6x + 18
A. (9, 0) B. (9, 3) C. (3, 9) D. (0, 3)
Perform the indicated operation.3 - (14 - 18) + (-5)
A. -34 B. 40 C. 2 D. -24
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.B = 12°, b = 12.9, a = 15.51
A. one triangle A = 166°, C = 2°, c = 2.2 B. one triangle A = 14°, C = 154°, c = 27.2 C. two triangles A1 = 14°, C1 = 154°, c1 = 27.2; A2 = 166°, C2 = 2°, c2 = 2.2 D. no triangle