Solve the problem.A contractor is considering a sale that promises a profit of $31,000 with a probability of .7 or a loss (due to bad weather, strikes, and such) of $14,000 with a probability of .3. What is the expected profit?
A. $31,500
B. $17,000
C. $21,700
D. $17,500
Answer: D
Mathematics
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Find the product.(8xy8)(4x2y7)
A. -32x3y15 B. -32x2y56 C. 32x3y15 D. 32x2y56
Mathematics
Use properties to perform the calculations. Express answer in simplest form.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The table shows the population of a city for five years.
This data was used to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 2007, x = 1 represents 2008, and so on. Use the model to find the estimated population in the year 2009.
A. 66,822,000 B. 1,490,000,000,000 C. 65,538,000 D. 1,490,000
Mathematics
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics