Which answer is an equation in point-slope form for the given point and slope? point: (5,9); slope: 2 a. y-9=2(x+5) b. y-9=2(x-5) c. y-5=2(x+9) d. y+9=2(x-5)

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Can someone me with these two circle theorem questions asap?

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)