Use the distributive property to rewrite the expression.8(4x + 5y + 6)
A. 32x + 40y + 48
B. 32x + 5y + 48
C. 32x + 40y + 6
D. 32x + 5y + 6
Answer: A
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.4
- 2
A. 8
- 2
B. 8
C. 0
D. cannot simplify
Mathematics
Find the unit vector in the same direction as the given vector.v = 3i - 4j
A. u = 
i - 
j
B. u = 15i - 20j
C. u = 
i - 
j
D. u = 
i - 
j
Mathematics
Restate in a logically equivalent form.If it is clean, then it was washed.
A. If it is clean, then it was not washed. B. If it was not washed, then it is not clean. C. If it is clean, then it was washed. D. If it is not clean, then it was not washed.
Mathematics
Find the indicated partial sum for the given sequence.s10, 79, 144, 209, 274, . . .
A. -2135 B. 3320 C. 3715 D. -3320
Mathematics