Subtract.-7 - 13
A. 6
B. 20
C. -20
D. -6
Answer: C
Mathematics
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Graph the function in the ts-plane (t-axis horizontal, s-axis vertical). State the period and symmetry of the function.s = sec 
A. Period 6?, symmetric about the t-axis
B. Period 6?, symmetric about the s-axis
C. Period 6?, symmetric about the t-axis
D. Period 6?, symmetric about the s-axis
Mathematics
Find the LCD for the given rational expressions.
, 
A. (5n + 6)3(2n - 7) B. (5n - 6)2(2n + 7) C. (5n + 6)(2n - 7) D. (5n + 6)2(2n - 7)
Mathematics
Graph the polar equation.r2 = 66 cos 3?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Fill in the missing blanks of this addition problem.
A. (a) 2, (b) 6, (c) 5, (d) 6 B. (a) 1, (b) 6, (c) 4, (d) 4 C. (a) 3, (b) 8, (c) 6, (d) 6 D. (a) 2, (b) 7, (c) 5, (d) 5
Mathematics