In how many years, will an amount double itself, if the simple interest is calculated at the rate of 10% p. a.?

How many terms are in - 10w + 9x - 4?

Explain why 3 (5x) is not equivalent to (3*5) (3*x).

Convert 8.4 ft to inches.

The top of a square table is covered with four equal square tiles. If the side length of each tile is decreased by 50%, how many tiles of the new size would be needed to cover the same table?

The length of a room is 20 ft. and its width is 12 ft. What's the perimeter?

What is 656 divided by 78

What is the least common multiple for 165 and 22?

What is the scientific notation of 8888800

A ski shop owner surveys 200 people who ski or snowboard. If 196 people ski and 154 people do both activities, how many people snowboard?

7.) Sophie can write 80 words in 5 minutes How many words can she write per hour