Complete the trinomial so it is a perfect square.x2 - 
+ 9
A. 
x
B. 3x
C. 6x
D. 
x
Answer: C
Mathematics
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Solve the inequality.4x2 - 32x + 60 < 0
A. -5 < x < -3 B. 3 < x < 5 C. x < 3 or x > 5 D. x < -5 or x > -3
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Use the multiplication principle to solve the problem.How many different 4-letter radio station call letters can be made if repeats are allowed and the first letter must be K.
A. 456,976 B. 78 C. 1000 D. 17,576
Mathematics
Solve the equation and check.
x = __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
A canoeist rows downstream in 0.5 hours and back upstream in 4 hours. What is the rate of the current if the distance rowed is 4 miles in each direction? ?
A. 4.5 mph B. 3.5 mph C. 4 mph D. 2 mph E. 7 mph
Mathematics