A right triangle is shown below. What is the length of the side X, to the nearest tenth of a centimeter? ​

What are the exclude value of mn+3m

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.

If f(x)=x^2- 4 and g(x)=x^2 plus 2 x, (c) (f-/3) = ? (simplify your answer.)