Find the area.

A. 51.8 cm2 
B. 23.6 cm2 
C. 47.1 cm2 
D. Not enough data


Answer: C

Mathematics

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Write fraction in lowest terms.A marketing firm develops two different television commercials for a product. To determine which is more effective, the firm conducts an experiment. They randomly select 400 people using the phone directory and pay 200 to watch one of the commercials and the other 200 to watch the other. They then ask the viewers whether they would buy the product. 42 said yes in the first group, while 80 said yes in the second group. Write the lowest-terms fraction for each group.

A.  ,  
B.  ,  
C.  ,  
D.  ,  

Mathematics

Find the product using the formula for multiplying the sum and difference of two terms. Check the answer using the FOIL method.(y - 11)(y + 11)

A. y2 - 22 B. y2 - 121 C. y2 + 22y - 121 D. y2 - 22y - 121

Mathematics

Convert the units using unit fractions.2 gal =  qt

A. 4 B. 20 C. 10 D. 8

Mathematics

Decide whether the dose is reasonable or unreasonable. If it is unreasonable, indicate whether it is too much or too little.Take 250 milligrams of vitamin C every day.

A. Unreasonable, too little B. Unreasonable, too much C. Reasonable

Mathematics