2. (4a - 8b + 12c) (-5/2) Simply using distributive property and combining like terms

-10a + 20b - 30c

Step-by-step explanation:

(4a - 8b + 12c)(-5/2)

=(4a + - 8b + 12c)(-5/2)

=(4a)(-5/2) + (-8b)(-5/2) + (12c)(-5/2)

=-10a + 20b -30c

(Also Mathpapa is great for this kind of problems and Mathw*y is also a good one I use those two all the time they both saved me so many times)

go and ask your mom to you

the square root of what number? if you add that, then someone will probably answer the question.