Write in terms of the cofunction of a complementary angle.cos 70°
A. sec 20°
B. sin 20°
C. sin 110°
D. sec 110°
Answer: B
Mathematics
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Solve the problem.The solution set of the inequality 
is 
. Without doing any work, give the solution to 
A. (-?, -3) ? (-2, ?) B. (-3, ?) C. [-3, -2] D. (-3, -2)
Mathematics
Solve the equation from the table.
A) x = -5
B) x = -14
C) x = -10
D) x = -8
E) x = 3
Mathematics
Use a rational exponent to write the expression.
A. x-9/2 B. x9/2 C. x-2/9 D. -x2/9
Mathematics
Solve the logarithmic equation.log3 (x2 - 9x + 23)= 1
A. 4, 5 B. 20, 3 C. -4, -5 D. ?
Mathematics