Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = - x + 9
A. 
?
B. 243?
C. 56?
D. 
?
Answer: D
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All the cows in a certain herd are white-faced. The probability that a white-faced calf will be born by mating with a certain bull is 0.8. Suppose 2 cows are bred to the same bull. Find the probability, that no white-faced calves will be born. ? Please round your answer to four decimal places. ? P = __________
Fill in the blank(s) with the appropriate word(s).
Solve the system by graphing.
A. (3, 2) B. (-2, -3) C. (3, -2) D. (-2, 3)
Factor. If the polynomial is prime, so state.x2 + 5x - 84
A. (x - 12)(x + 1) B. prime C. (x + 12)(x - 7) D. (x - 12)(x + 7)
State sales tax is based on retail price. An item that sells for $180.99 has a sales tax of $17.4. Find a mathematical model that gives the amount of sales tax y in terms of the retail price x. Use the model to find the sales tax on a $589.99 purchase. (Round your answer to four decimal places.) ?
A. 
B. 
C. 
D. 
E. 