Ineed to finish my visit the royal gorge bridge near canon city, colorado. when walking across the bridge you nudge a small stone off the bridge deck and watch it fall. the distance the stone drops is 16 feet the first second, 48 feet the next second, 80 feet the third second, and so on in an arithmetic sequence. how far does the stone fall during the fifth second? find it and use the explicit formula. !

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?