Solve the problem.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago?
A. Art, Ben, and Cal
B. Art
C. Art and Ben
D. Ben
Answer: C
You might also like to view...
Use Lagrange multipliers to find the maximum value of the function subject to the given constraints.
 figure.png)
Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. 
B. 
C. 
D. 
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
Which counties have a figure that is at most 14.7?
A. Dixson, Hendricks, Putnum B. Addison, Cumberland, Kendall C. Addison, Branson, Cumberland, Kendall D. Branson, Dixson, Hendricks, Putnum
Solve.The loudness, D, in decibels of a sound of intensity I is given by D = 10 log (I/I0), where I is measured in watt/m2 and I0 = 10-12 watt/m2. What is the decibel level of a noise whose intensity is 7.54 x 10-5 watt/m2? (Round to the nearest whole number.)
A. 69 decibels B. 181 decibels C. 79 decibels D. 8 decibels