A normal distribution has a mean of 80 and a standard deviation of 14. determine the value above which 80 percent of the values will occur.

sam and his three friends each want a 3 pieces of chicken. they are 98 cents apiece. a $9.99 bucket contains 12 pieces, plus 4 biscuits. how many pieces do they need? should they buy the pieces individually, or should they buy the bucket?

Choose the correct product of (6x + 2) 2.

How do you know if the greatest common factor of two numbers is two just by looking at it?

A music teacher had 5 recorders, but she decided to buy 3 more boxes with each box having 2 recorders in it. How many recorders did she have after buying the 3 boxes?

There is a population of 50,000 bacteria in a colony. If the number of bacteria doubles every 120 hours, what will the population be 240 hours from now?

What is the square root of 45*2 rounded

Your class is conducting an experiment to study geometric sequences. The class forms a line. The first person takes a whole pizza, divides it in half, keeps half, and hands the other half to the next person.

A speed reader can read 850 words per minute. An average reader can read 1/7 that speed. how many words per minute does an average reader read?

A wave with a frequency of 24Hz has a wavelength of 6 meters. At what speed will this wave travel?

A store allows customers to fill their own bags of candy. glen decides he only wants caramels and candy corn. caramels sell for $0.95 per pound, and candy corn sells for $0.79 per pound. glens bag weights 1.7 pounds and it costs $1.48.