Answer:
a
Step-by-step explanation:
Step-by-step explanation:
<h2>Answer 1 :</h2>

<h2>Answer 2 :</h2>

Answer:
21 With glasses
Step-by-step explanation:
32/20=1.6
1.6•7=11.2 Without Glasses
1.6•13=20.8 With Glasses
20.8 rounded to nearest whole number=21
Answer:
Step-by-step explanation:
plug the numbers into the Pythagorean theorem
which is A^2 + B^2 = C^2