Solve the problem.Calculate the coordinates of the new location of the point (13, 13) when it is rotated 30° counterclockwise about the origin. Remember that it is the matrix 
that rotates a point 30° counterclockwise about the origin.
A. 
B. 
C. 
D. 
Answer: B
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Find the function value to four decimal places.Find cos ? when sin ? = 0.8000 and tan ? < 0.
A. -0.6000 B. -0.6667 C. -0.8660 D. -1.7321
Find the indicated probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1094?A student from the community college is selected at random. Find the probability that the student is at least 31. Round approximations to three decimal places.
A. 0.931 B. 76 C. 0.048 D. 0.069
Solve the problem.Write an expression in simplest form that represents the area of the rectangle.
A. 10x2 - 8 B. 10x2 + 16x - 8 C. 10x2 - 16x - 8 D. 10x2 + 8
To solve this system using a matrix equation, which of the following matrices would be multiplied by the column matrix of the constants to solve for the variables?
?
? ?
A. ?
B. 
C. 
D. 
E. 