If cos theta = 3/5 and theta is in quadrant 4, tan 2 theta =

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.