Answer:
He should mix 25 liters of the 30% solution, and 35 liters of 60% solution.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Standard form is basically where the degrees of the terms are in descending order.
First, let's distribute the negative sign to the terms in the second parentheses:

Now, we can just combine like terms with the terms from the first parentheses:

So, our answer is: 
Answer:
Vectors can be used in sports to define how a baseball player moves to catch a high fly baseball they can also be used with aircrafts.
The measures of the angles in a triangle always add up to 180°, so the answer is: m+p+n=180°.