Use a Riemann sum to approximate the area under the graph of 
Use the right endpoints.Enter just a real number to two decimal places.
Fill in the blank(s) with the appropriate word(s).
13.75
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Find the limit.
A. Does not exist B. ? C. -? D. 0
Solve the equation.47x = 64
A. x = 
B. x = 
C. x = 64
D. x = 81
Use formulas for perimeter and area to solve the problem.A circular fountain has a statue in its center, 3 m from the edge. Find the perimeter of the fountain. If necessary, use 3.14 for ? and round the result to the nearest tenth.
A. 18.8 m B. 9 m C. 16.8 m D. 9.4 m
Solve.Ultraviolet radiation from the sun is thought to be one factor causing skin cancer. The amount of UV radiation a person receives is a function of the thickness of the earth's ozone layer which depends on the latitude of the area where the person lives. The following data represent the latitudes and melanoma rates for nine randomly selected areas in the United States. The melanoma rates refer to a three-year period. src="https://sciemce.com/media/4/ppg__10702192218__f1q145g3.jpg" alt="" style="vertical-align: -4.0px;" /> Express the relationship using function notation. Graph the line on the scatter diagram. Interpret the slope of the line. Use the line to predict the melanoma rate of an area with a latitude of 37.3 degrees north. 
Graph the data on a scatter diagram treating latitude as the independent variable. Find an equation of the line containing the points 
and 
What will be an ideal response?