Subtract.10a3 + 8a2

A. 12a3 + 20a2
B. 8a3 - 4a2
C. 8a3 + 20a2
D. 4a5

Answer: B

Mathematics

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Find fx, fy, and fz.f(x, y, z) = ln (xy)z

A. fx = - ; fy = - ; fz = ln (xy)
B. fx = ; fy = ; fz = z ln (xy)z - 1
C. fx = ; fy = ; fz = ln (xy)
D. fx = z ln ; fy = z ln ; fz = ln (xy)

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Evaluate the sum.5k

A. -140 B. -20 C. 140 D. 20

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Graph the numbers on a number line.-11, -9, -7, -5

A.
B.
C.
D.

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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 X and Y. What is the cost of 100 batches from supplier Y?      A =    B =  

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A. $3300
B. $6600
C. $7800
D. $4800

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