Hannah's school hosted a book donation. There are 150 students at her school, and they donated a total of b books! Hannah donated 3 times as many as the average number of books each student donated.

Bill says that he can add 23 and 40 without regrouping is bill correct how do you know

Donna purchased a prepaid phone card for $20. Long distance calls cost 14 cents a minute using this card. Donna used her card only one to make a long distance call. If the remaining credit on her card is $13.84, how many minutes did her call last

Greta collects the number of miles run each week from random sample of female marathon runners. her data are shown below. she made the qualitative statement, "25% of female marathoners run 13 or more miles a week." is her statement reasonable.

How to solve this equation f (x) = 3x+4

The number of sides of a regular polygon whose interior angle is 140

A data set has a mean of 255 and a standard deviation of 12. All the data values are within two standard deviations of the mean. Which could be the maximum value of the data

John spent 36 to buy 4 basketball. What was the price per basketball?

X/5 = 10 what is the value of x

What is 5/10 + 2/10?

A family pass to the amusement park costs $54. Using a distribution property, write an expression that can be used to find the cost in dollars of 8 family passes