Solve. Round to the nearest hundredth, if necessary.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 80 seconds are required to make a 5-by-4 enlargement, find the time required for a 7-by-9 enlargement.
A. 315 sec
B. 378 sec
C. 189 sec
D. 252 sec
Answer: D
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Write the Ionic Greek numeral as a Hindu-Arabic numeral using the table below.
???
A. 783 B. 713 C. 723 D. 733
Expert Analysts Resources (EAR) has provided you with the following information about three companies you are currently evaluating: ? Company Degree of Operating Leverage (DOL) Degree of Financial Leverage (DFL) Acme 1.5× 6.0× Apex 3.0× 4.0× Alps 5.0× 2.0× ? Based on this information, which
firm is regarded as having the greatest overall risk? A. Acme, because it has the highest degree of financial leverage (DFL). B. Acme, because has the highest degree of total leverage (DTL). C. Apex, because it has the highest degree of total leverage (DTL). D. Alps, because it has the highest degree of operating leverage (DOL). E. Acme, because it has the lowest degree of operating leverage (DOL).
Complete the table and use it to calculate the indicated relative frequency. Round your answer to three decimal places if necessary.The following table displays the age, in years, and sex for the residents of a retirement home.Age (years)?60-69 70-79 Over 79 Total Male5? 5 5? Female15?6? 4? Total????What is the relative frequency for persons in the age group 60-69?
A. 0.5 B. 0.667 C. 0.25 D. 0.333
Add or subtract.5
+ 1
A. 7
B. 2
C. 7
D. 6