I need help with number 4 ignore that number at the top

5.31507290637 or 5.32

Step-by-step explanation:

Hypotenuse = a^2 + b^2 = c^2

16 + (3.5)^2 = c^2

16 + 12.25 = c^2

28.25 = c^2

5.31507290637 = c

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25