Point m is between points n and o on no find the length of nm if mo = 12.3 and no = 26.9.

I’m stuck on this i don’t understand.

A25-inch wide drum is used in a marching band. what area does the top of the drum cover? round to the nearest hundredth. (use 3.14 for pi.)

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal