Use the distance formula and the Pythagorean theorem to determine whether the set of points could be vertices of a right triangle.(7, -8), (11, -8), (11, -2)
A. Yes
B. No
Answer: A
Mathematics
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Find all solutions of the equation in the interval [0, 2?). Round the solution to four decimal places.8 cos x - 1 = 0
A. {1.4455} B. {1.4455, 3.1416} C. {1.4455, 6.2832} D. {1.4455,3.1416}
Mathematics
The point P on the unit circle that corresponds to a real number t is given. Find the indicated trigonometric function.
?Find csc t.
A. 
B. 
C. - 
D. - 
Mathematics
Solve by eliminating variables using the addition method.
A. no solution or ? B. {(3, -3, 2)} C. {(2, -3, 3)} D. infinitely many solutions; dependent equations
Mathematics
Determine whether the improper integral 
diverges or converges.
?
A. diverges B. converges
Mathematics