Find the expectation of times of rolls if u want to get all 6 numbers when u can rolling a 6 sided die.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.