B Myra should have multiplied 4.5 and 2.1 first.
3/4 + 5/16
=12/16 +5/16
=17/16
=1 1/16
The answer is actually 37/36, or 1 1/36. The error was that when Mario multiplied 9 by 4, he only added the 4 to 4 instead of multiplying 4 by 4. <span />
Answer:
side is 13
Step-by-step explanation:
we need to use Pythagorean theorem
a^2 +b^=c^2
a=5
b=12
c=x
5^2+12^2=x^2
169=x^2
13=x