Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.x + 9 < 6 and -9x < 9
A. ?
B. (-3, -1)
C. (-?, -3)
D. (-?, -3) ? (-1, ?)
Answer: A
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Solve the problem.A new exhibit is scheduled to open at the local museum. Museum officials expect that 8000 people will visit the exhibit in its first week, and that the number of visitors will drop by 40 people per week after the first week during the first 6 months. Find the total number of visitors expected in the exhibit's first 7 weeks.
A. 47,400 visitors B. 55,160 visitors C. 39,400 visitors D. 54,920 visitors
Graph the function.y = - 
csc 
A. 
B. 
C. 
D. 
Perform the division.
A. z2 + 5z + 25 B. z2 - 5z + 25 C. z2 + 5z - 25 D. z2 + 10z + 25
Solve the problem.A plane flies 500 miles with the wind and 300 miles against the wind in the same length of time. If the speed of the wind is 20 mph, what is the speed of the plane in still air?
A. 85 mph B. 105 mph C. 80 mph D. 70 mph