Answer:
1. 1/2
Step-by-step explanation:
With a graph that has easily see-able points, slope can be calculated with rise over run, or change in y divided by change in x
What does the 
mean? From any point, the next point will be up one and over to the right two. Since the graph is going from bottom left to top right, it is positive.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
You distribute the 30x to the equation in parenthesis
So basically you are doing (30x*x)+(30x*-3)
So you get 30x^2-90x
Hope this helps!
The diagonals cut each other in two
so LP = 1/2 * 28 = 14
(7,-1)
comment if u want me to explain the answer
