Simplify the algebraic expression.-6(2x - 7) - 4x + 6
A. 8x + 48
B. -16x - 36
C. 16x + 48
D. -16x + 48
Answer: D
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Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The surface area of a sphere is 4? times the square of the radius.
A. If S represents the surface area and r the radius, then 4?S = r2. B. If S represents the surface area and r the radius, then S = ?r2. C. If S represents the surface area and r the radius, then S = 4?r2. D. If S represents the surface area and r the radius, then S = 4?r.
Find the resultant (sum) of the complex numbers. Express in rectangular form 
4 + 8i, 5
A. 4 + 13i B. 9 + 8i C. 4 + 3i D. 17
Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers R and S. Multiply the matrices.
A. 
B. 
C. 
D. 
Multiply.-0.1 ? (-14.8)
A. 14.9 B. -14.7 C. -14.9 D. 1.48