Megan rides a bicycle 19 miles every 4 hours. At this rate, how many hours did Megan ride if she rode 57 miles?

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?