Solve.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan.
A. 8.3 ft.
B. 137 ft.
C. 11 ft.
D. 16.6 ft.
Answer: D
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Provide an appropriate response.Find the slope of the tangent to the curve y = 
at the point where x = 9.
A. m = 
B. m = - 
C. m = - 
D. m = 
Estimate the value of the quantity.The table gives dye concentrations for a cardiac-output determination. The amount of dye injected was 
Plot the data and connect the data points with a smooth curve. Find the area under the curve using rectangles. Use this area to estimate the cardiac output.
Dye concentration (mg/L)
Time (sec)
A. 414.8 L/min B. 17.4 L/min C. 8.7 L/min D. 0.1 L/min
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. (a + 1)(a - 6)(a - 7) > 0
A. (7, ?)
B. (-1, 6) ? (7, ?)
C. (-?, -1) ? (6, 7)
D. (-?, 6)
Solve the application. Write the following number in scientific notation.The population of a small country is 5,068,000.
A. 5.068 × 104 B. 5.068 × 10-5 C. 5.068 × 105 D. 5.068 × 106