Which graph shows a system of equations with one solution?

coordinate plane with two parallel lines
coordinate plane with two intersecting lines
coordinate plane with two coinciding lines
coordinate plane with two parallel lines

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.