What is 10(b + 4c) expanded? (using the distributive property)

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

Which expression is equivalent to -5(3x - 6/7)

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18