5(-2) = -10, so 5(-2)(-11) = (-10)(-11) = 110
You have to complete the square. When you do this you get an equation that looks like this: (x-3)^2 + (y+4)^2 = 4. So your center is (3, -4) and your radius is 2. That looks like B to me!!!
Answer:
12
Step-by-step explanation:
its direct proportion. 15 divided by 5 is 3 so you must multiply 3 by 4 to get the amount of people, which is 12
2x + 4y - 2x - 3y = 22 - 50
y = -28
substitute into the 1st equation to find x