In a class of 50 students 22 are Democrats, 16 are business majors, and 5 of the business majors are Democrats. If one student is randomly selected from the class. find the probability of choosing a Democrat or a business major.

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

1. perpendicular

2. parallel

3. perpendicular