You have 40 quarters you find 20% more quarters in your room then you go shopping and spent 75% of the total number if quarters write and expression to represent the total number of quarters you take with you shopping calculate in dollars the amount you have left​

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

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?