Solve the application problem.A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take them to complete the job if they were working together? (Round your answer to the nearest tenth, if necessary.)
A. 6 hr
B. 8 hr
C. 4.4 hr
D. 3.9 hr
Answer: D
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Find the equivalent fractions with the indicated denominator.
= 
A. 16 B. 1 C. 4 D. 64
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show. Use the graph to answer the question.?
How many tickets were sold in all?
A. 105 tickets B. 195 tickets C. 205 tickets D. 215 tickets
Calculate the limit algebraically.
?
??
A. 8 B. 3 C. -23.5 D. -47 E. 16
According to Mediamark Research, 85 million out of 179 million adults in the United States correct their vision by using prescription eyeglasses, bifocals, or contact lenses. (Some respondents use more than one type.)
What is the probability that an adult selected at random from the adult population uses corrective lenses? Round to three decimal places, if necessary, and be sure to express answer in decimal form, not as a percentage. The probability is __________ .