Cory's average score after 8 tests is 91%. if he gets a 78% on his 9th test what will his new average be?
how do i figure out this problem?

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.

What are the excluded values? m+5/mn+3m

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?