Adiver went down 25.05 feet below the surface of the ocean, and then 12.5 feet further down, he then rose 12.85 feet. enter and solve an expression to find the diver's new depth.
the expression that represents the situation is −+ +
the diver's new depth is
feet below the surface.

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?

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?