The bookstore at a local college is having an end-of-term sale with all electronic tablets discounted 30%. The function 
represents the relationship of the original price of the item, 
, and the price of the item on sale. The function 
describes the cost of an item including sales tax. A student is buying a tablet with an original price of $800. Find ![]()
src="https://sciemce.com/media/4/ppg__examview__ch1__00001_res__mc015-4.jpg" border="0">.
A. 
B. 
C. 
D. 
E. None of these
Answer: B
Mathematics
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Decide whether the figure is convex or concave.
A. Concave B. Convex
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Use an equation to solve the percent problem.150% of 14 is what number?
A. 2.1 B. 21 C. 2100 D. 210
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Solve the problem.The volume V of a gas varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
Find an equation of variation.
A. V = 5600P
B. V = 
C. V = 
D. V = 
Mathematics
Simplify.
A. 
B. - 
C. 
D. 
Mathematics