If n(P) = 20 and n(Q) = 30 and n(PuQ) = 40, find the value n(PnQ)
Three times a certain number (x), minus 2 is less than the number minus 6.Find the possible values of x.
The number line represented by the inequality
If a dress is sold for #3800.00 at 20% discount. what is its original price?
Evaluate, correct to four significant figures, (573.06 x 184.25).
