Answer:

Step-by-step explanation:
The area of a trapezoid.





84.15-1.8*8
Order of Operations says to add and subtract before you multiply, so simplify the expression to: 82.35*8, which is 658.8
Answer:
I think it's -6x-18, this queston uses distributive property, so you must multiply each term inside the parenthesis to the number outside the parenthesis.
6-4 because the equation for slope is m=y2-y1/x2-x1