Write an equation to describe the variation. Use k for the constant of proportionality.x varies directly as the square of y and inversely as z.
A. x = ky2z
B. x = k + y2 - z2
C. x = 
D. x = 
Answer: D
Mathematics
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Complete the horizontal analysis for the balance sheet. Round to the nearest tenth of a percent.
A. 61.8%, 83.3%, 83.0%, 78.0%, 77.8%, 58.8%, 75.6% B. 61.8%, 20.0%, 20.5%, 28.2%, 28.5%, 70.0%, 32.3% C. 38.2%, 16.7%, 17.0%, 22.0%, 22.2%, 41.2%, 24.4% D. 61.9%, 19.8%, 20.5%, 28.2%, 28.5%, 70.0%, 32.2%
Mathematics
Write as a proportion.Victor knows he can type 2100 words in 30 minutes, so he feels confident that he can type 4200 words in 60 minutes.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Find A-1 if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
Marcy owns common stock in Rex's Pet Planet. The annual dividend is $2.05. The current price is $5.37. What is the yield of the stock?
A. 31.7% B. 33.2% C. 38.2% D. 53.7%
Mathematics