Simplify the expression.2(-3)2 - 20
A. 2
B. -2
C. -38
D. -26
Answer: B
Mathematics
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Find the value of the trigonometric function.sec (230.05°)
A. -0.6421 B. -1.304 C. 1.194 D. -1.557
Mathematics
Solve the problem.In a class of 50 students, 27 are Democrats, 10 are business majors, and 5 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial completely.16x3y + 32x2y + 16xy
A. 2y(4x + 1)(2x + 8) B. 2xy(8x + 4)(x + 2) C. 2xy(4x + 4)(2x + 2) D. 2xy(4x + 1)(2x + 8)
Mathematics
Provide an appropriate response.Why does a linear function always have an inverse?
What will be an ideal response?
Mathematics