Molly and Emily share a prize in the ratio 2 : 7. If Emily gets £20 more than
Molly, how much money did they win
altogether?

36 inches/second = yards/minute how many yards?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x