(- am + 6 mn – 45) – (65 –am – 5 nm) + (-25 – 5 mn + 3am) = Alguien me puede ayudar es para hoy mi tarea

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

Charlie tosses five coins.what is the probability that all five coins will land tails up.

What is the distance between the points (2, 5) and (5,9)?