Please help me with this question 1/12 + 7/9

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

Use sigma notation to represent the following series for 9 terms.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.