Whats -11 + x =19
i just dont know what we do can someone help me?

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

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?