What is the amplitude of h(x)= -5 cos (27x + 5) - 2?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?