Factor the expression below. 25x2 + 30x + 9
(5x - 3)(5x-3)
B. (25x+3)(x+3)
C. (5x+3)(5x + 3)
D. (25x - 3)(x-3).

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

2x minus y equals 6, x plus y equals negative 3