25x3=75
4x12=48
48-10=38
75 crayons and 38 markers
For this case we must find the solution of the following quadratic equation:

Where:

Then, the solution is given by:

Substituting the values:

By definition we have:

Thus, we have two complex roots.
Answer:
The equation has no real roots.
Are you sure your in high school, also it's answer #3.
Answer:
20
Step-by-step explanation:
First, rewrite the numbers in numerical order:
8, 10, 10, 15, 15, 20, 20, 20, 20, 25, 25, 25, 35
Then find the middle number: (note there's 6 numbers on each side of <u>20</u>)
<em>8 10 10 15 15 20 </em><u>20</u> <em>20 20 25 25 25 35</em>
Hope this helps!
Answer:
x^2-7x+2x-14 or x squared minus seven x plus two x minus fourteen
Step-by-step explanation:
(x+2)*(x-7)= x^2-7x+2x-14
First: x^2
Outer: -7x
Inner: 2x
Last: -14