What percentage did you tip if your lunch was $10 and you left $2

you are a great person you tiped 20%.

That's a 20% tip.

Step-by-step explanation:

First, let's turn the problem into a fraction in order to later divide the fraction to find the percentage. It would look like this:

$2/$10

Then remove the dollar signs:

2/10

Divide 2 by 10:

.2

Change to a percentage:

20%

side xy = 10

sin(x) = 4/5

cos(x) = 3/5

tan(x) = 4/3

step-by-step explanation:

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral