. Are the expressions 3(m - 2) + 2(m - 2) and 5(m - 2) equivalent expressions?

What are the solutions to the equation 4x2+3x=24-x

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia