Estimated : 3 over 8 add 2 over 3

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?