Is 0.42 a rational number

The sum of two numbers is 21, and their difference is 9

Which is better 1 of 4 people sharing 6 segment chewy fruit worm or 1 of 8 people sharing a 12 segment chewy fruit worm

Six less than five times a number is 29. What is the number?

A researcher recruits a sample of 25 preschool children for a research study by posting an announcement in a local daycare center describing the study and offering a $10 payment for participation. What kind of sampling is the researcher using?

What is 84 as a product of primes?

Convert 17 km to miles?

As men and women age, their risk of death increases. There are also health issues that can greatly impair older citizens' abilities to participate in activities and travel.

Bob bought 3 packs of model xars. he gave 4 cars to ann. bob has 11 cars left. how many model cars were in each pack

Which function models the area of a rectangle with side lengths of 2x - 4 units and x + 1 units? What is the area when x = 3?

Alexa started a business making bracelets. It takes 5 minutes to make each bracelet. How many brackets can she make if she works 569 minutes?