A community center is building a haunted graveyard. The graveyard is rectangular, and they want it to be at least 1400 square ft in area. They have 180 ft of decorative fencing for the graveyard. If they use all of the fencing, what are the possible widths the graveyard could be?
A. Strictly between 20 and 70 ft
B. Less than 20 ft or more than 70 ft
C. Between 20 ft and 70 ft inclusive
D. Less than or equal to 20 ft or greater than or equal to 70 ft
E. None of these
Answer: C
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Translate the situation into mathematical language. You need not actually solve the problem.The Music Store prices its blank audiotapes by raising the wholesale price 30% and adding 30 cents. What must the tape's wholesale price be if the tape is to sell for $2.19?
A. Let w represent the tape's wholesale price; 0.30 = w + 0.30w - 2.19 B. Let w represent the tape's wholesale price; 2.19 = w + 0.30w + 0.30 C. Let w represent the tape's wholesale price; 2.19 = w + 0.30w - 0.30 D. Let w represent the tape's wholesale price; 2.19 = 0.30w + 0.30
Add or subtract as indicated.-17 - (-23)
A. -40 B. 6 C. -6 D. 40
Solve the problem.Sarah missed 65 points, out of 542 points possible, in Math 120. An A is given to students who have a course average of at least 90%. Bob tells his friend that he has earned a grade of A in the course. Is he correct?
A. No B. Yes
Find the value of the expression using the given values.
for x = -4, y = 2
A. -2
B. 6
C. 2
D. 8