Which expression is equivalent to r over s (6)

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.