You earned a 90% on a science test. you
answered 18 questions correctly. how many
questions were on the test?
(plz )

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Can someone me out here and the tell me the greatest common factor

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.