Answer:
11 yd
Step-by-step explanation:
To find the volume of a rectangular prism, we multiply the width, length and height.
We already know the length, 18, and the height, 11, and the volume, 2178, so we can easily solve for y.

Hope this helped!
Answer:
CD ≅ CD, Reflexive property
Step-by-step explanation:
We want to show the triangles are similar by SAS. We've already proven that one pair of their sides are congruent (AC ≅ BD), and that one pair of their angles are congruent (∠CDE ≅ ∠DCE), so we need to show that the next pair of sides are congruent.
Answer:
How to find X and Y value?
If you have given an equation, you see the x and y in it. Just taking second equation and think any common factor between x's variable. With common factor, multiply both and you will find the value of y and put it in any equation, you will find the value of X.
Answer:
I think its the 3rd one...
Answer:
is the quotient
Step-by-step explanation:
We have two expression
and 
We need to find quotient of this expression using exponent law.
First we write as quotient form,




Thus,
is the quotient of
and
.