Identify the first step for this problem. *
-3x+3y=4
-x+y=3

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?