Asap ! solve the following by elimination.
2x + 7y = 31
-7y + 5x = -45

Simplify the expression 10/11(22z) + (a+5) -1

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)

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.