Which exponental function is represented by the values in the table?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?