A student has a container with a volume of 1.5 liters. Heestimates the volume to be 0.9 liters. By what percent is the students estimate off?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

What term makes it inconsistent y=2x - 4

The area of a circle is equal to 1 dm². find the radius of the circle.