Can some1 plz help me again, and plz show ur work!?!

Step-by-step explanation:

Total height lowered = 75m

No of times balloon lowered = 5

Height lowered in each lowering = Total height lowered / No of times balloon lowered

                                                       = 75 / 5

                                                      = 15 m

The number indicated that each time balloon is lowered by 15 m

haha

Step-by-step explanation:

funni number

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c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.