Answer:
92
Step-by-step explanation:
angle a and b add up to 180 degrees
4x-20+2x+8=180
add like terms
6x+12=180
x=28
then substitute to get 92
2x^2+5x-1=0
ax^-bx+c=0
b^2-4ac = 5^2-4(2)(-1) =33
Your answer is 4. Hope you like my answer.
20 inches
car with 2 people: $10
car with 4 people: $14
car with 10 people: $26