Ateacher gave her class two exams; 60% of the class passed the second exam, but only 48% of the class passed both exams. what percent of those who passed the second exam also passed the first exam?
80%
1296
30%
48%

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. create a question you could ask that could be answered only by graphing or using a logarithm.

How many doughnuts are equal to 20 cookies.? 3 apples = 5 bananas6 cookies = 7 apples2 doughnuts = 1 banana

Write a function rule for  “the output is  5 less than the input.” let  x be the input and let  y  be the output.