Find the probability. Enter your answer as a simplified fraction.

Picking a purple marble from a jar with 14 green and 14 purple marbles.

What expression is equivalent to 42x-56y

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.