A rescue boat just picked up some sailors in a lifeboat. Now the rescue boat is heading north at 15 miles per hour. The lifeboat, which they abandoned, is drifting south at a speed of 5
miles per hour. How long will it be before the rescued sailors are 15 miles from their lifeboat?

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder