Solve the problem.If (3, b) is a point on the graph of 3x - 2y = 17, what is b?
A. 
B. 4
C. -4
D. 
Answer: C
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Industry standards suggest that 13% of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South Carolina, sold 15 Nissans yesterday.
| (a) | What is the probability that none of these vehicles requires warranty service?(Round your answer to 4 decimal places.) |
| Probability |
| (b) | What is the probability exactly one of these vehicles requires warranty service? (Round your answer to 4 decimal places.) |
| Probability |
| (c) | Determine the probability that exactly two of these vehicles require warranty service. (Round your answer to 4 decimal places.) |
| Probability |
| (d) | Compute the mean and standard deviation of this probability distribution. (Round your answers to 2 decimal places.) |
| Mean µ | |
| Standard deviation ? | |
The proprietor of the Showplace, a video store, has estimated that the rental price p (in dollars) of prerecorded video discs is related to the quantity x rented/day by the demand equation 
. Currently, the rental price is $4/disc.
?
Is the demand elastic or inelastic at this rental price?
?
__________
?
If the rental price is increased, will the revenue increase or decrease?
?
__________
What will be an ideal response?
Solve.The sum of the squares of the digits of a positive two-digit number is 61, and the tens digit is 1 more than the units digit. Find the number.
A. 45 B. 54 C. 56 D. 65
Solve the problem.Solve the formula S = 
?r2h + 4?rh for r.
A. r = 
B. r = 
C. r = 
D. r = 