Sarah is 30 years old. she is twice as old as her friend bill and bill is 5 times as old as his sister jane. jane’s mom is 12 times older than jane. what is the age difference between jane’s mom and sarah

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?

Suppose 38 lbs of coffee beans are required to produce 2 lbs of farmer's coffee. how many lbs of coffee beans are required to produce 309 lbs of farmer's coffee?

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2