Me im desperate. i'll give 20 points . at southside middle school, 40% of the students play an instrument. there are 305 students. how many students play an instrument? 40 students 140 students 122 students 256 students

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

How do you find the circumfrance of a circle?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.