Find the best-fit line associated with the set of points.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Factor out the greatest common factor.3z - 12
A. 3(z - 4) B. 4(z - 3) C. 3(z + 4) D. 3(z - 12)
Mathematics
Solve the proportion.
= 
A. 
B. 
C. 
D. 
Mathematics
Write the expression without parentheses.-(-9v - 2r)
A. 9v - 2r B. -9v + 2r C. 9v + 2r D. -9v - 2r
Mathematics
Solve.The braking distance D in feet required for a car traveling x miles per hour to stop on wet, level pavement can be approximated by D = 
x2. If the braking distance is 45 feet, estimate the speed of the car. If necessary, round to the nearest mile per hour.
A. 7 mph B. 20 mph C. 405 mph D. 5 mph
Mathematics