Triangle abc has been rotated 90° to create triangle def. using the image below, prove that lines bc and ef have the opposite and reciprocal slopes. you must show all of your work to receive credit.

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

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made