Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.sin 
A. - 
B. -1
C. - 
D. 
Answer: C
Mathematics
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For a right triangle with legs a = 9 and b = 12, use the Pythagorean Theorem to find the hypotenuse c.c = ________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Determine the most appropriate metric unit to go in the blank. Choose from km, m, cm, mm, L, mL, kg, g, and mg.The plank is 1.6 
long.
A. L B. kg C. g D. cm E. m
Mathematics
Graph the fraction on a number line.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Radioactive carbon 11 has a half-life of 20 minutes. If there are 200 grams present at the start of our experiment, how many grams will remain after 10 minutes?
A. 50 g B. 141.421 g C. 6.931 g D. 100 g
Mathematics