An express train travels 90 kilometers per hour. A local train takes 2.5 hours longer to travel the same distance at 50 km per hour. How far apart are they?

What is the greatest common factor of 32 and 36?

Which of the following is equivalent to (5) Superscript seven-thirds?

When the smaller of two consecutive integers is added to four times the larger the result is 79. What is the product of the two integers?

What is the slope of x = - 12

A test consists of 30 problems and students are told to answer any 10 of these questions. In how many different ways can they choose the 10 questions?

During a recession, Tina had to take a 9 % pay cut. Her original salary was $45,230. a. What has her salary after the pay cut? b. Once the recession was over, Tina's company wanted to increase her pay to her original salary.

What is the answer to this equation: 4x - 2y = 6

4. A store is displaying boxes of a new video game in 7 rows. If the store has 49 copies of the game, how many games are in each row? 49 Games Games in one row

a bathtub is filled with 110 gallons of water. The tub drains at a rate of 5 gallons every 2 minutes. How long will it take before the bath tub is empty. Write an equation.

The sum of 7 consecutive odd numbers is 91. What is the sum of the two largest numbers in this set?