Solve.It takes 9 hours for 8 people to paint a house. How long will it take 3 people to do the job?
A. 26.4 hr
B. 24 hr
C. 3 hr
D. 3.4 hr
Answer: B
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Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral
with an error of magnitude less than 10-4 using the Trapezoidal Rule.
A. 71 B. 368 C. 735 D. 184
Write the best-fit linear model for the data.The ages and lengths of several animals of the same species are recorded in the following table: 
Find the linear function to model this data.
A. y = 2.18x - 1.03 B. y = 0.93x + 2.18 C. y = 0.93x - 1.18 D. y = 1.03x - 2.18
Solve.A money market fund advertises a simple interest rate of 8%. Find the total amount of an investment of $6000 with interest after 9 months.
A. $6360.00 B. $9600.00 C. $10,320.00 D. $360.00
Find an equation of the ellipse.An ellipse with foci at (1, 0) and (1, -6); major axis length of 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1