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 $7 each. She wrote a check for $820 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 30 bracelets and 90 necklaces
B. 25 bracelets and 95 necklaces
C. 20 bracelets and 100 necklaces
D. 15 bracelets and 105 necklaces
Answer: C
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Draw the angle in standard position and state the quadrant in which the terminal side of the angle lies or the axis on which the terminal side of the angle lies.
A. Quadrant IV
B. Quadrant III
C. Quadrant I
D. Quadrant III
Find an approximate equation of the line that has the given slope and contains the given point. Round the constant term to two decimal places.m = -1.8, (-1.5, 9.3)
A. y = 1.8x + 15.24 B. y = -1.8x - 12 C. y = 1.8x + 6.6 D. y = -1.8x + 6.6
Describe the transformations and give the equation for the graph.
A. It is the graph of f(x) = 
stretched vertically by a factor of 9 and translated 2 units down. The equation is y = 9
- 2
B. It is the graph of f(x) = 
shrunken vertically by a factor of 9 and translated 2 units down. The equation is y = 
- 2
C. It is the graph of f(x) = 
stretched vertically by a factor of 9 and translated 2 units down. The equation is y = 
+ 2
D. It is the graph of f(x) = 
shrunken vertically by a factor of 9 and translated 2 units down. The equation is y = 9
+ 2
The pie chart below shows the number of pizzas consumed by college students in a typical month. Use the chart to answer the question. 
What percent of college students consume 1-2 pizzas in a typical month?
A. 18% B. 34% C. 41% D. 2%