Evaluate.7P2
A. 2520
B. 240
C. 42
D. 21
Answer: C
Mathematics
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Write an equation and then solve.Consider any unknown real number such that its square increased by four times the number is 3. Find the exact value of the number(s).
A. -2 - 
or -2 + 
B. 2 - 
or 2 + 
C. 2 - 
or 2 + 
D. -2 - 
or -2 + 
Mathematics
Add and simplify. Write the answer as an improper fraction as needed.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve, finding all solutions in [0, 2?).sin 2x + sin x = 0
A. No solution
B. 0, 
, ?, 
C. 
, 
, 
, 
D. 
, 
Mathematics
Solve.Jeff takes 5 hr longer to build a fence than it takes Bill. When they work together, it takes them 6 hours. How long would it take Bill to do the job alone?
A. 10 hours B. 11 hours C. 12 hours D. 9 hours
Mathematics