Hello there!
The correct answer is option B
2x² + (4x - 6x²) + 9 - (6x + 3)
Just take them out of the parentheses
2x² + 4x - 6x² + 9 -6x - 3
Combine like terms
2x² - 6x² + 4x - 6x - 3 + 9
= -4x² - 2x + 6
Thus,
The correct answer is option B
Answer:
Perimeter: 14a+2b
Tickets:7x+6
Step-by-step explanation:
Perimeter: Add all the functions together
Tickets: Subtract 15x+1 by 8x-5.
Answer:
6
Step-by-step explanation:
The parentheses mean to multiply, in this case, so -3 times -2 would equal 6.
Option D: Two irrational solutions
Explanation:
The equation is 
Subtracting 6x from both sides, we have,

Solving the equation using quadratic formula,

Simplifying the expression, we get,

Taking out the common terms and simplifying, we have,

Dividing by 3, we get,

Hence, the equation has two irrational solutions.
Answer: d = 29 miles
Step-by-step explanation:
S11°W = 259° on a unit circle
N75°E = 15° on a unit circle
x separation after two hours
x = 2(8cos15 - 18cos259) = 21.179 miles
y separation after two hours
x = 2(8sin15 - 18sin259) = 19.7398 miles
total distance between them is
d = √(19.7398² + 21.179²) = 28.9518... ≈ 29 miles