What do you do to check whether a number is rational or irrational

Avery has a new job making smoothies at jumble juices. she got her first paycheck for 2 weeks of work. her gross income was $450. jumble juices withheld $58.50 in federal income tax and $26.70 in other taxes.

How many dekameters in 250 meters

A rectangle has a length of x + 4 centimeters and a width of x centimeters. The perimeter of the rectangle is 28 centimeters. What is the value of x?

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Last year Austin Texas received 20 inches of rainfall. this year Austin received 18 inches of rainfall. find the percent of decrease in the number of inches of rainfall. round your answer to the nearest tenth of a percent if necessary

Susie bought 434 pounds of cherries at the store. She ate 58 of a pound on the way home. How many pounds of cherries does Susie have left? Express your answer in simplest form.

The fires in yellowstone national park in 1988 burned 739,000 acres. the park has 2.2 million acres total. what percentage of the park burned?

An insufficient funds check was returned to your company. How does the bank treat this on your bank statement

The student council sent its members on four fields trips during the school year. The number of buses needed to transport the members on each trip is a function of the number of members who went on each trip.

Nadia, John, Saba and Kumar are working together on a project. These are the data for each: Nadia: 60 hours, overhead rate 75%, personal time 10%, $20/hr John: 80 hours, overhead rate 55%, personal time 12%, $40/hr Saba: 80 hours, overhead rate 75%,