In a matrix, can there be decimals and fractions?

A number increased by 100% and decreased by 20% is x. What is the number?

A jet and a small plane leave the same airport at the same time and travel in opposite directions at 960 km/h and 560 km/h, respectively. In how many hours will they be 3800 km apart?

Write 2 3/4 as an improper fraction. and what is 1x1=?

On wednesday 72% of the customers who bought gas at a gas station make additional purchases there were 250 customers who bought gas how many of these 250 customers made additional purchases

The number of bacteria in a sample quadruples every 24 hours. There are 20 bacteria in the sample initially. Write an equation to find b, the number of bacteria in the sample after d days.

What is the domain and range of the function f (x) = a^x?

Amanda's dad is twice as old as she is today. The sum of their ages is 66. Find the ages of Amanda and her dad.

The mean of the data set is 18. What number is missing? 21, 11, __, 27, 22, 13, 16 Explain

If a car can go from 0 to 60 miles per hour in 3 seconds, what would be its final speed after 7 seconds if its starting speed were 30 miles per hour?

If a car travels 60 miles at 30 miles per hour and then 60 miles an hour, what was the car's average speed for the total trip?