What is the solution to the system of equations?

3x+2y=39
5x-y=13

(4, 7)
(7, 4)
(12, 5)
(5, 12)

Write the expression 7x^3-28xy^2 as the product of 3 factors

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)

What is r i 4.5+10r=-6.5 with work pls