Solve the problem.A tree casts a shadow 20 m long. At the same time, the shadow cast by a 68-cm tall statue is 82 cm long. Find the height of the tree. Round results to the nearest unit.
A. 17 m
B. 23 m
C. 16 m
D. 24 m
Answer: A
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Factor a negative number or a GCF with a negative coefficient from the polynomial.-7x4 + x6
A. -7x4(1 - x2) B. -x4(7 + x2) C. -7x4(1 + x2) D. -x4(7 - x2)
Evaluate.
4
A. 1
B. 
C. 
D. 
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. y = 1.35x + 2.81 B. y = -0.67x + 92.3 C. y = 1.02x + 11.7 D. y = 2.02x - 47.3
A new car dealership has taken an inventory of the vehicles it has in stock. Below is a histogram indicating the number of vehicles in stock in certain price ranges. Use the histogram to answer the question.
How many vehicles in stock are priced $27,999 or less?
A. 55 vehicles B. 25 vehicles C. 20 vehicles D. 50 vehicles