Two riders are in a bike race. the second rider starts half an hour late but rides 4 miles per hour faster than the first rider. if they both finish 3 hours after the race starts, how fast are they each riding?

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

What are the soultion(s) to the quadratic equation 40- x^2=0

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?