There are 12 fifth-grade students and 18 sixth-grade students in a mixed-grade class. What is the ratio of fifth-grade students to all the students in the class?

A. 2:3

B. 2:5

C. 3:2

D. 5:2

THIS IS FOR A TEST!!!

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Find the interior angle of a regular polygon which has 6 sides