How long is 50% of a 24-hour day?

What is the answer to |-2x-5|-|-4+8| and x=7

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Find the area of the triangle shown 3 by 6