Which equation represents a proportional relationship? y=-x, y=-5[x+1], y=5x+1, y=1/5x

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

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?