What is the solution to this system of equations?
3x + y = 17
x + 2y = 49
a.
it has no solution.
b.
it has infinite solutions.
c.
it has a single solution: x = 15, y = 17.
d.
it has a single solution: x = -3, y = 26.
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D. It has a single solution: x = -3, y = 26.

Step-by-step explanation:

The given system is

and

.

Make x the subject in equation (2).

.

Put equation (3) into equation (1).

It has a single solution: x = -3, y = 26.

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.