If three parallel lines are cut by a transversal and one angle is measured to be 90 degrees, what can be said of the remaining? a. there all 90 degrees
b. only some of the remaining angles are 90 degrees
c. they will all be complementary to each other
d. there isn't enough information to determine anything about the remaining angles

What is the solution to the equation 9^(x+1) =27

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?

Need asap. solve for the following inequality