Find the product.4x5(-6x5 + 5x4)
A. -24x10 + 5x4
B. -4x5
C. -4x10 - 4x9
D. -24x10 + 20x9
Answer: D
Mathematics
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Add.1223 + 2112
A. 3543 B. 3344 C. 3335 D. 3434
Mathematics
Find the median.6, 5, 29, 19, 49, 43, 38
A. 29 B. 38 C. 19 D. 27
Mathematics
Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release . How many units can you expect to sell in week 20?
A. 7220 units B. 6780 units C. 11,400 units D. 2600 units
Mathematics
Multiply. Simplify by combining like terms.
x2(-7x2y + 42y)
A. -2x4y + 12x2y B. 12x4y + 2x2y C. -2x4y + 24x2y D. 2x3y + 2x2y
Mathematics