Simplify.(-2i)3
A. 8
B. -8i
C. 8i
D. -8
Answer: C
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A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function.(-3, 6)Find tan ?.
A. - 2
B. 
C. - 
D. - 
Solve the problem.Juanita arranged for a car loan of $22,400. If her monthly payments are $560, how many months will it take her to pay off the loan?
A. 400 months B. 80 months C. 40 months D. 70 months
a) Find correlation coefficient to the set of data. Round the answer to 4 decimal places if necessary.
?
?
r = __________
?
b) Find correlation coefficient to the set of data. Round the answer to 4 decimal places if necessary.
?
?
r = __________
?
c) Find correlation coefficient to the set of data. Round the answer to 4 decimal places if necessary.
?
?
r = __________
?
Use correlation coefficients to determine which of the given sets of data is best fit by its associated regression line.
?
__________
?
Use correlation coefficients to determine which of the given sets of data is worst fit by its associated regression line.
?
__________
?
Is it a perfect fit for any of the data sets?
?
__________
What will be an ideal response?
Solve the problem.The area of a rectangular wall in a classroom is 210 square feet. Its length is 9 feet shorter than three times its width. Find the length and width of the wall of the classroom.
A. width = 10 ft; length = 21 ft B. width = 10 ft; length = 37 ft C. width = 10 ft; length = 39 ft D. width = 10 ft; length = 19 ft