Use reference angles to find the exact value of the expression. Do not use a calculator.tan 
A. 
B. 
C. -
D. - 
Answer: A
Mathematics
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Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 28.5 sec B. 9 sec C. 19 sec D. 38 sec
Mathematics
Determine the name of the polygon.
A. Octagon B. Pentagon C. Heptagon D. Triangle
Mathematics
Solve the equation.
= -13
A. 52 B. 17 C. -17 D. -52
Mathematics
Factor the polynomial.49k2 - 169m2
A. (7k + 13m)(7k - 13m) B. (7k - 13m)2 C. (49k + m)(k - 169m) D. (7k + 13m)2
Mathematics