Use this graph to answer each question. Big "D" Sales 1989-1990 
MonthWhat was the difference between the highest and lowest monthly sales in 1989?
A. $2000
B. $8000
C. $6000
D. $4000
Answer: B
Mathematics
You might also like to view...
Calculate the area of the surface S.S is the portion of the paraboloid z = 2x2 + 2y2 that lies between z = 1 and z = 2.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer, if appropriate.Electrical systems are governed by Ohm's law, which states that V = IR, where V = voltage, I = current, and R = resistance. If the current in an electrical system is decreasing at a rate of 4 A/s while the voltage remains constant at 20 V, at what rate is the resistance increasing (in ?/sec) when the current is 24 A? (Do not round your answer.)
A. 
?/sec
B. 
?/sec
C. 
?/sec
D. 
?/sec
Mathematics
Match the inequality with its graph.x > -8
A. 
B. 
C. 
D. 
Mathematics
Estimate the fraction as 0, 
, or 1.
A. 0
B. 1
C. 
Mathematics