Add the following polynomials, then place the answer in the proper location on the grid. write the answer in descending powers of a. add: 2a3 + 5a - 7 and 5a2 - 6a + 12

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.