Find the missing quantities. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.
A. Cost: $5.44
Selling Price: $10.88
B. Cost: $12.31
Selling Price: $17.75
C. Cost: $17.75
Selling Price: $12.31
D. Cost: $0.12
Selling Price: $5.56
Answer: B
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 + z2 = 49, z = 2
A. All points on the sphere x2 + y2 + z2 = 49 and above the plane z = 2 B. All points within the sphere x2 + y2 + z2 = 49 and above the plane z = 2 C. The sphere x2 + y2 + z2 = 4 D. The circle x2 + y2 = 45 in the plane z = 2
Use the vertical-line test to determine whether the graph represents a function.
A. Yes B. No
Solve.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $190,000, find each worker's salary.
A. president's salary = $95,000; department head's salary = $47,500 B. president's salary = $47,500; department head's salary = $142,500 C. president's salary = $142,500; department head's salary = $47,500 D. president's salary = $14,250; department head's salary = $4750
Find the pair of numbers whose product and sum are given.Product: 6 Sum: -5
A. -3 and -2 B. 3 and -2 C. -3 and 2 D. 3 and 2