List all the prime numbers from 1 to 50

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?