What is the simplified expression for 3 y squared minus 6 y z minus 7 + 4 y squared minus 4 y z + 2 minus y squared z? WILL MARK BRAINLEST

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

98 point question what is the record for most points in one