The answer is both all real numbers less than 0 and all real numbers greater than 0
Answer:
90-51 = 39 39°
Step-by-step explanation:
Suppose there are 19x students, 1x teachers
19x+1x=400
20x=400
x=20
there are 20 teachers and 380 students.
Answer:
m√n+2n-n√m
Step-by-step explanation:
4√n^2+√m^2n-√4n^2-√mn^2
m√n+2n-n√m