9) acute, right, obtuse
10) isosceles, obtuse
11) trapezoid
12) 360°
13) 100°
Answer:
y - 7 = 16/13(x - 7)
General Formulas and Concepts:
<u>Alg I</u>
Point-Slope Form: y - y₁ = m(x - x₁)
Slope Formula: 
Step-by-step explanation:
<u>Step 1: Define</u>
Point (-6, -9)
Point (7, 7)
<u>Step 2: Find slope </u><u><em>m</em></u>
- Substitute:

- Add:

<u>Step 3: Write equation</u>
y - 7 = 16/13(x - 7)
Answer:
an = 2⋅3n − 1
Step-by-step explanation:
Answer:
Step-by-step explanation:
you multily the negative by the positive and get a negative answer so -36.8
10x - 20 + 6x + 8 = 180
16x - 12 = 180
16x = 192
x = 12
<em>hope </em><em>this </em><em>helps</em><em>.</em><em>.</em><em>.</em><em>!</em><em>!</em><em>!</em>