How do you subtract a deciamal with different denominators?

For what values of x is x2 + 2x = 24 true?

Calculate the total payback for a $3,500 loan at 8% annual interest with monthly payments for two years. show all of your steps. use the formula, m = pm(1 + m)^na/(1 + m)^na - 1, as needed.

Convert the density of surface sea water to metric tons/cubic meter