Solve the problem.Robert receives a commission of $84 on sales of $2800. What is his commission rate?
A. 2%
B. 6%
C. 4%
D. 3%
Answer: D
Mathematics
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Find the formula for df-1/dx.f(x) = 
x + 
A. x - 
B. 3
C. 
D. 3x - 
Mathematics
Write the statement as a ratio in lowest terms.4 days to 18 hours
A. 
B. 
C. 4
D. 
Mathematics
Round the decimal to the given place value.0.4341, nearest hundredth
A. 0.44 B. 0.43 C. 0.434 D. 0.4341
Mathematics
Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = -7.03x2 - 3.11x - 9.81
A. (-1.42, 0), (0.98, 0), (0, -9.81) B. (-1.42, 0), (0, -9.81) C. No x-intercepts, (0, -9.81) D. (-9.81, 0), no y-intercepts
Mathematics