4j - 24- 6j = 120
what's the solution?
solution=

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Simplify the expression 8h - 57-3m by adding or subtracting the like term