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. 
Answer: B
You might also like to view...
Find the logarithm using the change-of-base formula.log6 0.88
A. -14.0164 B. -0.0555 C. -0.0713 D. 6.8182
Find all integer factors of the given number.30
A. -30, -20, -10, -6, -5, -3, -2, -1, 1, 2, 3, 5, 6, 10, 20, 30 B. -30, -10, -6, -5, 5, 6, 10, 30 C. -30, -5, -1, 1, 5, 30 D. -30, -15, -10, -6, -5, -3, -2, -1, 1, 2, 3, 5, 6, 10, 15, 30
Solve the problem.The manager of a candy shop sells chocolate covered peanuts for $10 per pound and chocolate covered cashews for $13 per pound. The manager wishes to mix 30 pounds of the cashews to get a 
mixture that will sell for $12 per pound. How many pounds of peanuts should be used?
A. 15 lb B. 22.5 lb C. 45 lb D. 7.5 lb
Find the total area of the shaded figure.
?
?
The diameters of the smaller circles are equal to 8. Use 
.
?
A. 150.8 B. 100.5 C. 301.6 D. 175.9 E. none of these