Solve the equation and check your proposed solution. = 13

A. 18
B. -65
C. 65
D. -18


Answer: B

Mathematics

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In a certain lake the intensity of light from the surface decreases by  40% for each additional meter of depth.   ? A: Explain why light intensity is an exponential function of depth. ? B: Using for intensity at the surface of the lake,  write a formula that gives the intensity  I of light ?d meters below the surface. ? C: At what depth will light intensity be one tenth of surface intensity? Round your answer to two decimal places if necessary. ?

What will be an ideal response?

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Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.December 3 to May 19 (the year of the May date is a leap year)

A. 169 B. 168 C. 167 D. 166

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Convert the angle to decimal degrees and round to the nearest hundredth of a degree.-163°18'55''

A. -163.32° B. -163.36° C. -163.31° D. -163.26°

Mathematics

Find the area of the rectangle.A =  in.B = 11 in.

A. 2 in.2
B.  in.2
C.  in.2
D.  in.2

Mathematics