Solve. Round to the nearest whole if necessary.20% of the teachers in a school are male. If there are 1050 teachers altogether, how many teachers are male?
A. 2 teachers
B. 840 teachers
C. 210 teachers
D. 5250 teachers
Answer: C
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A child has an enormous jar in which she has been saving all of her spare change. In order to determine exactly how much money she has in the jar, she dumps all of the coins on the floor and counts them. Under the watchful eye of her mother, she counts 180 pennies, 120 nickels, 100 dimes, and 80 quarters.If the child were to grab a handful of 48 coins at random from the jar, how much money should she expect it to be worth?
A. $39.60 B. $4.80 C. $3.78 D. $4.92 E. none of these
Simplify the rational expression. (Assume the denominator is nonzero.)
A. x - 2
B. -(x + 2)
C. x + 2
D. 
Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the lowest sales?
A. Month 3 B. Month 7 C. Month 5 D. Month 2
Do the operation and express the answer in a + bi form.
A) 16 - 3 i
B) - 16 + 2 i
C) - 3 + 2 i
D) 3 - 2 i
E) 16 + 2 i