Answer:
0.2
Step-by-step explanation:
Or 2/10. is that right?
354.9/9.1=39
So. elaine averaged 39 miles per gallon
Answer:

Step-by-step explanation:
Given:

Required
Rewrite in vertex form
The vertex form of an equation is in form of: 
Solving: 
Subtract 2 from both sides


Factorize expression on the right hand side by dividing through by the coefficient of x²


Get a perfect square of coefficient of x; then add to both sides
------------------------------------------------------------------------------------
<em>Rough work</em>
The coefficient of x is 
It's square is 
Adding inside the bracket of
to give: 
To balance the equation, the same expression must be added to the other side of the equation;
Equivalent expression is: 
------------------------------------------------------------------------------------
The expression becomes



Factorize the expression on the right hand side





Make y the subject of formula

<em>Solved</em>
All Triangles are equal to 180° on a plane surface no triangle is equal to 180° on a curved surface.
Answer:24 red 48 yellow and 24 white.
Step-by-step explanation:
Math