<span>standard deviation and variance</span>
Answer:
12
Step-by-step explanation:
3 divided by 1/4 = 3 x 4 = 12
Answer: 56 large cars and 86 small cars.
Step-by-step explanation:
Let's call:
: the number of large cars.
: the number of small cars.
Then, you can set up the following system of equations:

You can use the Elimination Method:
- Multiply the first equation by -4.0
- Add both equations.
- Solve for l.

≈
Substitute
into one of the original equations and solve for <em>s:</em>
<em> </em>
Answer:
11,000
Step-by-step explanation:
3200+7200+600=11000