Solve.Three times a number, added to 2, is -19. Find the number.
A. 7
B. -21
C. -63
D. -7
Answer: D
Mathematics
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Find the exact value of the real number y.y = tan-1 (-1)
A. 0
B. 
C. 
D. 1
Mathematics
Two statements are listed in which p, q, and r represent propositions. Are the two statements logically equivalent?not (p and q); (not p) or q
A. No B. Yes
Mathematics
Use the Fundamental Counting Principle to solve the problem.You want to arrange 10 of your favorite books along a shelf. How many different ways can you arrange the books assuming that the order of the books makes a difference to you?
A. 362,880 B. 100 C. 3,628,800 D. 90
Mathematics
Solve the problem.Find a curve through the point (0, 3) whose length integral, 0 ? x ? 1, is L = 
A. y = 2x + 3 B. y = x C. y = x2 + 3 D. y = x2
Mathematics