Simplify. 63 ÷ 12 - 10
A. 27
B. 8
C. 108
D. 214
Answer: B
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Divide and write answer in lowest terms.20 ÷ 3
A. 7
B. 6
C. 5
D. 4
Find all critical numbers for the function. State whether it leads to a local maximum, a local minimum, or neither.f(x) = 
+ 0.67x3 - 3.5x2 + 4x + 1
A. Local maximum at -4; local minimum at 1 B. Local maxima at 4 and -1; local minimum at 1 C. Local maxima at -4 and 1; local minimum at 1 D. Local maximum at 1; local minima at -4 and 1
Solve the problem.A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 18 miles. The researcher is in a research station with her receiver and tracking the bear's movements. If we put the origin of a coordinate system at the research station, what is the equation of all possible locations of the bear where the transmitter would be at its maximum range?
A. x2 + y2 = 324 B. x2 + y2 = 18 C. x2 + y2 = 36 D. x2 - y2 = 18
Use a graphing calculator to plot the data and find the quadratic function of best fit.A rock is dropped from a tall building and its distance (in feet) below the point of release is recorded as accurately as possible at various times after the moment of release. The results are shown in the table. Find the regression equation of the best model. 
A. y = 13.0 e0.686x B. y = -74.9 + 290 lnx C. y = 15.95x2 D. y = - 148.4 + 112x