Anxiety would mean if you're worrying about something or fearing something. So math anxiety would be feeling worried or scared about your ability to do math.
Then he should sell all of them for 3 dollars and he'll get $450 dollars from all 150 t-shirts

Perimeter of a triangle = sum of measures of each side ;


For this case we have that by definition, the Pythagorean theorem states that:

Where:
a, b: Are the legs
c: It is the hypotenuse
According to the figure we have to:

Substituting in the formula we have:

Answer:
Option D
31 is the answer because if you add all the numbers and then divide by the number of