To qualify for the championship, a runner must complete the race in less than 40 minutes. Use t to represent the time (in minutes) of a runner who qualifies for the championship.

Peter sold watches ($7) and necklaces ($4) at a flea market. Total sales were $300. People bought 3 times as many watches as necklaces. How many of each did Peter sell? What were the total dollar sales of each?

Jamal bought a 2 liter bottle of soda for 1.96. what is the cost per liter

Blueberries on sale for $2.80 per pint. The regular price is $3.50 per pint. What is the percent of decrease?

How much is 1,500 minutes in hours?

Is the square root of 3 a rational number

What is the decimal 4.588 rounded to the nearest tenth

The second group of trainee astronauts are all sitting around the table, waiting to start their first day of training. From the clues given below, can work out where everyone sits? Note: Seat 1 is next to Seat 2 and Seat 8, etc.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9

Wat is the sign of the product of three integers with the same positive sign