Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.Four times a number, added to the sum of the number and six.
A. 4x + 6
B. 5x
C. 10x
D. (x + 6) + 4x; 5x + 6
Answer: D
Mathematics
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Express the vector in the form v = v = v1i + v2j + v3k.7u - 2v if u = 
and v = 
A. v = 1i + 7j - 2k B. v = 1i + 9j - 2k C. v = 13i + 7j - 2k D. v = 7i + 7j - 2k
Mathematics
Find percent notation for the fraction notation in the sentence.
of the residents of Ashville exercise regularly.
A. 3% B. 30% C. 300% D. 0.30%
Mathematics
Use an integral formula to evaluate 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Subtract and simplify. Write the answer as a mixed number as needed.19
- 
A. 17
B. 19
C. 18
D. 18
Mathematics