Use the Distributive Property to remove the parentheses.9(x + y)

A. 9x + 9y
B. 9x - 9y
C. 9xy
D. 9x + y


Answer: A

Mathematics

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Find the length of the indicated portion of the curve.r(t) = (3 + 2t)i + (3 + 3t)j + (4 - 6t)k, -1 ? t ? 0

A. 8 B. 5 C. 9 D. 7

Mathematics

Write the number in the sentence in digits.The volume of water in the lake is twenty-six billion, four hundred nine million, five hundred sixty-nine thousand, two hundred twelve cubic inches.

A. 26,409,569,212 B. 26,000,409,569,212 C. 26,490,569,212 D. 260,409,569,212

Mathematics

Factor the special products, which are the sum or difference of two perfect cubes.216r3 - 125

A. (6r + 5)(36r2 + 30r + 25) B. (6r - 5)(36r2 - 30r - 25) C. (6r - 5)(36r2 - 25) D. (6r - 5)(36r2 + 30r + 25)

Mathematics

Referring to the graph below, what is the value of rd when Vf = 7.0 V?


a. 875 ohms
b. 600 ohms
c. 400 ohms
d. 235 ohms
e. 180 ohms

Mathematics