1.the new number , 200 , is 400 less than the original number . what is the precent change ?
a: 0.6%
b: 1.5%
c: 66%
d: 150%
2.the attendance at a seminar in year 1 was 500 . in year 2 , the attendance changes by 100 . what was the precent change in attendance?
a: 0.2%
b: 0.4%
c: 20%
d: 40%

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?