If you wanted to make a frequency
distribution with 5 classes from the
abope data set, what would be the
class width?

Ineed in figuring out this problem.

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

The base of the rectangle pyramid is 13 inches long and 12 inches wide the height of the pyramid is 18 inches . what is the volume of the pyramid ?