Ming won 121 lollipops playing basketball at her school's game night.
Later, she gave four to each of her friends.
She only has 9 remaining. How many
friends does she have?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.