Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. A college student earned $6000 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $455 in interest at the end of the year, how much was invested at 
A. $857
B. $3500
C. $2500
D. $3000
Answer: B
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Convert the numeral to Hindu-Arabic form.
A. 2662 B. 2502 C. 2742 D. 1066
Solve the problem.The number of hours of sunlight in a day can be modeled by a sinusoidal function. In the northern hemisphere, the longest day of the year occurs at the summer solstice and the shortest day occurs at the winter solstice. In 2000, these dates were June 22 (the 172nd day of the year) and December 21 (the 356th day of the year), respectively. A town experiences 11.12 hours of sunlight at the summer solstice and 8.21 hours of sunlight at the winter solstice. Find a sinusoidal function 
that fits the data, where x is the day of the year. (Note: There are 366 days in the year 2000.)
A. y = 1.455 sin 
+ 9.665
B. y = 11.12 sin 
+ 9.665
C. y = 11.12 sin 
+ 8.21
D. y = 1.455 sin 
+ 9.665
Find the slope of the line containing the two points.(5, 8); (-2, 8)
A. -7
B. 0
C. 
D. undefined
Solve the problem.The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 5,300e0.045t. How much did you initially invest in the account?
A. $5,300.00 B. $2,650.00 C. $5,543.95 D. $238.50