Solve the problem.A survey showed that students had these preferences for instructional materials. Use the graph to answer the question.
About how many students would you expect to prefer lectures in a school of 900 students?
A. About 162 students
B. About 180 students
C. About 324 students
D. About 18 students
Answer: A
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Given the interval (a, b) on the x-axis with the point x0 inside, find the greatest value for ? > 0 such that for all x, 0 < 
< ? ? a < x < b. a = 1.452, b = 2.736, x0 = 1.807
A. ? = 1 B. ? = 0.355 C. ? = 1.284 D. ? = 0.929
Use units to help you answer the question. If necessary, round your answer to two decimal places.A stockbroker sold 45 shares of stock for $35.16 each. What was the total amount of the sale?
A. $1582.1 B. $1582.31 C. $1582.20 D. $1582.3
Solve the problem.Rosie can crochet a 5 cm by 49 cm strip in 2 hours. If there is a 1199 cm2 area completed when she starts and she crochets for 5 hours, how much total area will Rosie have finished?
A. 2424 cm2 B. 1444 cm2 C. 612.5 cm2 D. 1811.5 cm2
Solve equation using quadratic formula.x2 - x = 12
A. 1, 12 B. -3, 4 C. -3, -4 D. 3, 4