Write the expression in the standard form a + bi.i18
A. -i
B. -1
C. i
D. 1
Answer: B
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Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 52.06 inches B. 52.44 inches C. 51.78 inches D. 51.14 inches
Construct a frequency distribution for the data using 5 classes.
Use the following information to answer question, 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
An initial investment of $4000 grows at an annual interest rate of 5% compounded continuously. How long will it take to double the investment?
a. 1 year b. 14.40 years c. 13.86 years d. 14.86 years
Find the center and the radius of the circle.(x - 4)2 + (y + 3)2 = 64
A. (4, -3), r = 8 B. (3, -4), r = 64 C. (-4, 3), r = 64 D. (-3, 4), r = 8