Which of the following numbers is a rational?

A. 4/5

B. √27

C. 4.200200020000 ...

D. √31

Which of these is an appropriate attitude to take toward personal budgets?

An Olympic sprinter runs 200 meters in 20.1 seconds. Calculate the runner's speed in miles per hour.

If socks sell at $3.99 per pair or 5 pairs for $15.50, how much is saved, to the nearest $0.01, on each pair by buying them 5 at a time?

You served food to a group at a restaurant. The total cost of the food was $42.00. The sales tax is 8% of the cost of food. The group asked you to add 20% of the original cost of food for a tip. What was the total cost for the group?

A fruit salad recipe calls for 3/4 pounds of apples and 2/5 pounds of dates. What is the least common denominator of the fractions

Rafael earned a salary of 34,944 last year. How much did he earn per month? A.$416 B.$4992 C.$672 D.$2912

What is the solution to the quadratic equation? y = x^2-4

Sunny earns $12 per hour delivering cakes. She worked for x hours this week. Unfortunately, she was charged $15 for a late delivery on Tuesday. How much money did Sunny earn this weekend?

One track coach wants her athletes to race 2 miles around a track to measure how fast each person can run? If the track is 2/3 of a mile around, then how many laps around the track will athletes have to run to complete the race?

Which of the following is a composite number? 48 67 13 31