Red: y= 2x
Black: y= 2x
Yellow: y= -3x
Green: zero slope
Blue: undefined slope
7 waitresses can serve 28 tables
Answer:

Step-by-step explanation:
<u>Similar Triangles</u>
By looking at the construction of the figure, we can safely assume both triangles are similar, i.e. their internal angles are equal and their sides are proportional. Following the proportion of the heights and bases of both triangles we can set this relationship:

Simplifying both fractions

Solving for x

3/4 of the juice from a 2 L bottle is 1.5 L.
There is only half a litre left after the party.
Not sure its A but use this http://www.mathpapa.com/algebra-calculator.html