Isobel and marnie volunteer at a daycare center isobel works 3 hours for every 2 hours marine works. if the two girls together work 20 hours on month, how many hours does isobel work?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]