Between 1978 and 1997 the price of gasoline increased from about $.65 a gallon to about $1.30. by what percent did the price of gasoline increase?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?