Find the regression line for the given data. Round to two decimal places, if necessary.
A. y = 10x - 3
B. y = 9x - 3
C. y = 9.8x - 2.6
D. y = 9.2x - 2.1
Answer: C
Mathematics
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Match the given equation with one of the graphs.25x2 - 4y2 = 100
A. 
B. 
C. 
D. 
Mathematics
Find the square of the radical expression.
A. 9.4 B. 44.5 C. 178 D. 89
Mathematics
Kent drives his Mazda 192 miles in the same time that Dave drives his Nissan 180 miles. If Kent averages 3 miles per hour faster than Dave, find their rates.
A. 42 mph for Dave and 45 mph for Kent B. 40 mph for Dave and 43 mph for Kent C. 55 mph for Dave and 58 mph for Kent D. 45 mph for Dave and 48 mph for Kent E. 48 mph for Dave and 42 mph for Kent
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics