14 over 4509 would be an equvilent fraction
Average means add eveybody and divide by how many there are
5 lants
(4+3.5+4.5+4.2+3.8)/5=4
average is 4
dunno standard deviation
The area of the given trapezoid is 38 in².
<h3>What is a
trapezoid?</h3>
A trapezoid is a quadrilateral (has four sides and four angles) with a single pair of parallel sides. The area (A) of a trapezoid is given by:
A = (1/2) * (a + b) * h
Where a, b are the parallel sides and h is the height of the trapezoid.
Given that a = 8, b = 11, h = 4, hence:
A = (1/2) * (8 + 11) * 4 = 38 in²
The area of the given trapezoid is 38 in².
Find out more on trapezoid at: brainly.com/question/1410008
215 because you would add and subtract the numbers as you go them you come out with your answer