A certain quantity has a century decay factor of 0.4. What is its yearly decay factor?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.