Problem 2.2 Each week, the price of oranges at the farmer's market
increases by 20%.
The price of oranges this week is $4.50.
What was the price last week?
dollars

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?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16