The tallest water slide is 494949 meters tall. Phineas and Ferb want to build a slide that is 555 meters taller. They build the slide in sections that are each 666 meters tall.

If you meant "How long will the sections be to reach the top' then here's your 744 sections, each 666 meters tall

Explanation:

1: Add 494949 + 555 = 495504

2: Divide 495504 / 666 = 744

3: Answer

4: Check your work

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10