Answer
C
Step-by-step explanation:
If you are putting it into a ratio, you would have to use the information you already had.
You had 3 markers cost $5.79
so it would look like this:
3 = 13
5.79 = x
Go to cymath.com and ask it, it will work it out and give the answer to you
Answer:
Write the equation in standard form:
.

Use the quadratic formula. <em>(+-) = </em>±

Substitute in the values, where a = 3, b = 4, and c = -20, and simplify.

Answer:
2/5
Step-by-step explanation: