If 1.3 grams of air has a volume of 1000 cm³, what is the density of air

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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 parks wears 2 camouflage bracelets how many bracelets does he have on

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?