The heights of 500 students at a local school were recorded and found to be approximated by the normal curve below. Which answer could represent the mean and standard deviation for these data?

a.

69, 6

c.

69, 3

b.

72, 4

d.

60, 3

What is 1/2 of 2/8?

There are 6 girls on the bus each girl has 6 backpacks in each backpack there are six kittens there is one flea on the bus how many legs are on the bus

To make juice boxes easier to hold, a designer wants to shrink the area of the base to half the original size. The new box should hold the same amount of juice. How should the designer change the height of the box?

The graphs of two different direct variations can be parallel

Jamila and Anica were rollerblading. They skated 14 miles in 2 hours. If theyskated at a constant rate, how many miles did they skate in 1 hour?

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.