Answer:
Question 5.
a) 118°
b) 131°
Step-by-step explanation:
<u>Part a:</u>
I'm sorry I find it tricky to explain this, you would get more confused than you are now.
<u>Part b:</u>
All four interior angles of a quadrilateral are equal to 360° so
75°+ 86°+ 68°+m°= 360°
229° +m° = 360°
m°= 360°-229°
m°= 131°
<h2 />
Answer: a = 6
Step-by-step explanation:
2a - 8a = 12 - 8a
Add 8a to each side
10a - 8a = 12
Subtract 10a and 8a
2a = 12
Divide each side by 2
a = 6
X Times x is x^2
X^2-8x+3x-24
x^2-5x-24

It is a positive-slope parabola with vertex of (0,16) "concave up"