1. A+3a-4(9-a) 2. 3c(5a+2n-1)
3. -2/3(5/6x-3)
4. 3(5x+9-4x)
5. 2(x-1)+5(x+9)
6. -3-5x-5y+8x+7y+8
7. 3c(5a+2b-1)
8. 3(x+9)-(x-6)

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

560

hope this : )

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.