Answer:
144
Step-by-step explanation:
32+112=144
Answer:
x=12
Step-by-step explanation:
11x-3 + 5x-9 = 180
16x -12 = 180
16x = 192
x = 12
Answer:
6
Step-by-step explanation:
All we need to do is pythagoras theorem. 4sqrt5 is the hypotenuse and 4 is a leg, (4sqrt5)^2 - 4^2 = 36. Sqrt36 is 6.
Answer:
5cm
Step-by-step explanation:
c^2=a^2+b^2
b^2=square root c^2-b^2
=square root 13^2-12^2= 5
Answer:
3rd one I think
Step-by-step explanation:
