C. You'd be starting at a higher floor (positive number) and descending floors (negative number per x). If you assume x is time it's a little more logical and visual.
Answer:
<em>A prime number is a whole number greater than 1 whose only factors are 1 and itself</em>
two is the only even prime number because it is divisible by only two and one. All the other even numbers are not prime because they are all divisible by two.
675. Just subtract. 1000
- 325
Set it up like this.
The ratio of boys to girls is 3/5.
