If 10 sandwiches cost $36.20, how much will 7 sandwiches cost?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.