Add or subtract. Simplify all answers. Express as a mixed number.15
- 8
A. 6
B. 22
C. 23
D. 6
Answer: D
Mathematics
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Express the terminating decimal as a quotient of integers. If possible, reduce to lowest terms.0.9
A. 
B. 
C. 
D. 1
Mathematics
Use the given vectors to find the value of the indicated scalar.v = -10i - 2j; Find 
2.
A. 104 B. 40 C. 400 D. 144
Mathematics
Solve the problem.If the ratio of boys to girls in a class is 4:9, what is the ratio of girls to all students in the class?
A. 9:4 B. 13:4 C. 9:13 D. 4:13
Mathematics
Find the product.19.35
A. 14.319 B. 1.4319 C. 143,190. D. 143.19
Mathematics