50 POINTS PLZ. HELP PLZ HELP PLZ

no 6^2 + 8^2 ≠ 12^2 so this is not a right triangle

Step-by-step explanation:

The Pythagorean theorem  tells you if you have a right triangle

a^2+b^2 = c^2  where a and b are the legs and c is the hypotenuse

6^2 + 8^2 = 12^2

36+64 = 144

100 = 144

This is not true so this is not a right triangle

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