Solve the problem.A store is discounting all regularly priced items by 25%. (i) Find a function f that computes the sale price of an item having a regular price of x. (ii) If an item normally costs $190.91, what is its sale price?
A. f(x) = 0.25x; $47.73
B. f(x) = x - 0.25x; $143.18
C. f(x) = x - 25; $165.91
D. f(x) = x - 0.25; $190.66
Answer: B
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Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $6 each and a number of necklaces at $12 each. She wrote a check for $1320 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 20 bracelets and 100 necklaces B. 25 bracelets and 95 necklaces C. 15 bracelets and 105 necklaces D. 30 bracelets and 90 necklaces
Find the equilibrium solution of the equation. Use a sketch of the direction field for 
to determine whether the equilibrium is stable.y'(t) = 2y - 19
A. y = 
; stable
B. y = 
; unstable
C. y = 21; stable
D. y = 
; unstable
Find all possible solutions to the problem.A rectangle has an area of 130 m2. Its length and width are whole numbers. What are the possibilities for the two numbers?
A. 1 and 130, 2 and 65, 4 and 30, 5 and 26, 10 and 13 B. 1 and 130, 2 and 65, 5 and 24, 10 and 13 C. 1 and 130, 2 and 65, 5 and 26, 10 and 13 D. 2 and 65, 5 and 26, 10 and 13