PLEASE HELPP A building has 4 stories that are each 15 feet high. A scale drawing has the height of the building at 5 inches.

Which of the following is the correct scale?

1:72
1:12
1:144
5:60

What is the prime factorization of 195

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.