There are 28 students in math class. 22 of them passed the test. what percentage passed the test.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?