Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 62 coins in all, valued at $5.15. The number of nickels is 6 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 8
B. 45
C. 14
D. 9
Answer: D
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The maximum length of a certain snake is 21 inches. The following table shows the length L, in inches, of the snake t years after birth. The difference 
between its maximum length and its current length is given in the third row of the table.
t 2 3 4 5 6 L 5.05 8.97 8.33 11.04 12.72
15.95 12.03 12.67 9.96 8.28?
A: Use exponential regression to model the difference D as a function of age. Round your answer to two decimal places.B: Use the model you found in part A to find a formula that gives the approximate length L at age t years. Round your answer to two decimal places.C: Plot the graph of L versus t along with the data points for length.D: What is the age of a snake that is 13.88 inches long? Round your answer to two decimal places.
What will be an ideal response?
Use a graphing calculator to solve the equation. Round to three decimal places, if necessary.1.1x + 2.9 = 0.7x - 0.62
A. x = -8.800 B. x = 0.114 C. x = -8.888 D. x = -8.810
Solve the problem.The graph gives the profit P(x) as a function of production level. Use graphical optimization to estimate the production level that gives the maximum profit per item produced.
A. 4 units B. 5 units C. 3 units D. 6 units
Add or subtract as indicated. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 