9 : 11 and 18 : 22

are each pair of Ratios equivalent?

Divide 260 in to the ratio of 1:3

To raise money for a class trip, Rana's class sells granola bars. On the first day, 20 bars are sold. On the following days, the number of granola bars sold increases by 5 bars per day. Rana's class wants to raise $650.

Ricardo has 32 books to put on for shelves he puts the same number of books on each self how many books does ricardo put on

Expanded fraction 876,543,210.25

Complete the equation and tell which property you used 7 + (8+12) = + 12

Suppose that a company claims that its batteries last 240 hours on average. It took many large samples, and each time the mean number of hours was outside the 95% confidence interval.

Sam added two fractions together and got 7/8 as the answer. Write down two fractions that Sam could of added.

A sign language club made $627.50 from selling popcorn at a festival. The popcorn cost the club $95.00. Which expression represents the amount of money that was raised for each member of the club?

In order to avoid a training violation, 85% of your store's employees must complete diversity training by the end of the week. You have 142 employees at your store and 91 have currently completed the training.

Oprah looks at this histogram of a distribution with a mean of 6.7 grams and a standard deviation of 1 gram. She claims that approximately 68% of the data is between 5.7 and 7.7 grams. What is the error in her thinking?