Which ordered pair is the best estimate for the solution of the system of equations? y=−15x+1y=x+4

(−2.5,1.5)

(−2.75,1.25)
(−2.25,1.75)
(−2.75,1.75)

Find the vertex of the function given below y=x^2-6x+1

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Is the figure congruent? yes or no?