Evaluate the expression by hand. Variables represent any real number.
A. 50,625
B. 30
C. 17
D. 15
Answer: D
Mathematics
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Show that the equation is an identity.sec(tan-1 x) = 
What will be an ideal response?
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Evaluate the expression.
A. - 
B. - 
C. 
D. 
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List the intercepts for the graph of the equation.y = -3x
A. (-3, -3) B. (-3, 0) C. (0, -3) D. (0, 0)
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Solve the problem.There are 30 students in Ms. Roth's preschool class. All of of the students own either cats or dogs, and some have both cats and dogs. If 18 of the students own dogs and 22 own cats, how many own both cats and dogs?
A. 10 B. 12 C. 8 D. 20
Mathematics