Find an equation of variation in which the following are true.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 2, and z = 28.
A. y = 
B. y = 
C. y = 28xwz
D. y = 
Answer: A
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Solve the problem.A group reserves a room in a restaurant for an engagement party. The buffet dinner normally costs $32 per person. A group discount reduces the price by $0.50 for each person who attends; the more dinners sold, the lower the per-person price. The maximum capacity of the room is 140 people. What size of party would maximize the restaurant's revenue?
A. 140 B. 130 C. 32 D. 64
Find the probability of the given event if a year is selected at random.Labor Day falls in October.
A. 1
B. 0
C. 
D. 
Complete each of the following tables. Round all answers to the nearest tenth. Xtan87° __________87.5° __________88° __________88.5° __________89° __________89.5° __________90° __________Xtan88.8° __________89° __________89.2° __________89.4° __________89.6° __________89.8° __________90° __________
What will be an ideal response?
Write the first five terms of the sequence whose nth term is shown.an = n - 4
A. -4, -3, -2, -1, 0 B. -1, 0, 1, 2, 3 C. -3, -2, -1, 0, 1 D. -16, -12, -8, -4, 0