Simplify the expression.-2x - 3(x + 5y)
A. -3x - 15y
B. -5x - 15y
C. -5x + 5y
D. -5x + 15y
Answer: B
Mathematics
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Choose the best answer.The mass of your math text book is about how much?
A. 1.3 metric tonnes B. 1.3 grams C. 1.3 milligrams D. 1.3 kilograms
Mathematics
Give the first five terms of the sequence for which an is given.an = n - 5, n = 1, 2, 3...
A. -20, -15, -10, -5, 0 B. -4, -3, -2, -1, 0 C. -5, -4, -3, -2, -1 D. 0, 1, 2, 3, 4
Mathematics
Compute the following. Round to the nearest hundredth.8.9% of 43
A. 383.00 B. 3.83 C. 0.38 D. 38.30
Mathematics
Write an equation of the line.
A. y = - 
x
B. y = 
x
C. y = 
x
D. y = - 
x
Mathematics