M(CE) = 78 + 78*4/26 = 90
<span>An equation that is satisfied for every value of the variable for which both sides are defined is called an identity.
For example:
Given the equation
3x + 4 = x + 2(x + 2)
Notice that for any value of x you use, the equation is true.
Thus, this type of equation is called an identity.
</span>
Answer:
it's an right angle triangle
28 x 75% = 21
Jenna ordered 21 large shirts.