Convert the given product to a single radical. Assume that all variables represent positive numbers.
? 
A. 
B. 
C. 
D. 
Answer: B
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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 7i, v = 6j
A. 42; 42k B. 42; k C. 42; -k D. 7; 6k
Solve the problem.The James family wants to save some money in interest by paying off their auto loan 12 months early. The 36-month loan required payments of $455 per month. The car cost $18,600 with a down payment of $6000. How much unearned interest did they save?
A. $468.00 B. $1702.70 C. $1486.84 D. $442.70
Provide an appropriate response.Smithville High School switched to a later start time last school year. The bar graph shows how the change affected the average GPA for the high school's seniors.
How much higher was the average GPA for seniors with a later start time?
A. 0.47 B. 1.47 C. 1.5 D. 0.53
Use either the binomial theorem or Pascal's Triangle to expand the binomial.(2 - 3y)3
A. 4y - 12y2 + 9y3 B. 4y - 6y2 + 9y3 C. 8 - 36y + 54y2 - 27y3 D. 8 - 12y + 18y2 - 27y3