Assume you have 25 gallons of 40% gasoline solution. How many gallons of a 70% gasoline solution needs to be added to make a 65% gasoline solution?

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?