Let U = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,1 5,16,17,18). A = (1,3,4,5,6,13,14,15,16,18), B = (1,5,6,7,9,11,12,13,14,16,17), and C={1,2,3,4,7,8,10,11,16,18) Find (A-B) n (C-B)

answer: 1722

step-by-step explanation:

given: the mass of saturn=

the mass of mercury=

the number of times the mass of saturn is greater than the mass of mercury

hence, the mass of saturn is 1722 times greater than the mass of mercury.

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.

if you are factoring then 4(x+3)

if you are simplifying 4x+12

step-by-step explanation: