Equation in point slope form of the line that passes through the point (-8,-4)/and has a slope of m=5

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?