If nitrogen is warmer than -320^\circ−320 ∘
minus, 320, degrees Fahrenheit, it will be a gas.
Write an inequality that is true only for temperatures (t)(t)left parenthesis, t, right parenthesis at which nitrogen is a gas.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Can someone me out here number 4 plz

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?