In march, the chang’s phone and water bills together cost $540. if the phone cost four times as much as the water, how much was the water bill? round your answer to the nearest cent.

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?