1. is the system geometric? if so find common ratio

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)