Help I put the picture I need this as fast as possible help me plzx

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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?

How are sas and sss used to show that two triangles are congruent?