Ryan spend 2 3/4 hours doing his homework last night. he spend 2/3 of that time on his science homework. how long did ryan spend on his science homework?

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x