a long distance runner passes the 24km mark of a race in 1h 20 mins, and passes the 42 mark 1 hour later. assuming a constant rate, find the speed of the long distance runner in km/hr

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

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?