Find the equation of the least squares line.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. 
A. y = 33.7 - 2.14x
B. y = 33.7 + 2.14x
C. y = -67.3 + 1.07x
D. y = 67.3 + 1.07x
Answer: D
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Find the slope and the y-intercept of the given line.7x + 9y = 73
A. 
; 
B. - 
; 
C. 
; 
D. - 
; 
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 7
C. 
D. 
Find the LCM of the set of numbers.10, 15
A. 150 B. 15 C. 30 D. 25
Solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $30 and on an SST ring is $40?
A. 16 VIP and 8 SST B. 0 VIP and 24 SST C. 12 VIP and 12 SST D. 8 VIP and 16 SST