Solve.A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the demand equation 
for a certain style of calculator, p is the price per calculator in dollars and x is the quantity demanded in thousands. Find the demand for the calculator if the price is $6 per calculator.
A. 10 thousand units
B. 40
thousand units
C. 9 thousand units
D. 51 thousand units
Answer: C
Mathematics
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Solve the system of equations by the substitution method.
A. (-3, -15) B. no solution C. (-15, -3) D. infinite number of solutions
Mathematics
Compute the product.
A. 
B. 
C. 
D. not defined
Mathematics
Find the mean, median, and mode of the list of numbers.25, 31, 39, 40, 45
A. mean: 36; no median; mode: 35 B. mean: 36; median: 39; no mode C. mean: 36; median: 39.5; mode: 39 D. mean: 39; median: 40; no mode
Mathematics
Find the mean.Following is a list of sales bonuses paid at a furniture store. Find the mean of the bonuses. Round to the nearest whole number when necessary. $4070
$7180
$2820
$7210
$3990
$3700
A. $4828 B. $7210 C. $2820 D. $4827
Mathematics