A) carbohydrate
b) protein
c) nucleic acid
d) proteins
e) part lipid and protein
f) carbohydrate
As approximation:
4 units * 4 units= 16 squared units
In general, √(y²) = |y|, since y can be positive or negative and y² would have the same value either way.
So,
1) if y > 0, then |y| = y, and
-15√(y²) = -15 |y| = -15y
2) if y < 0, then |y| = -y, and
-√(16y²) = -|4y| = -|4| |y| = -4 (-y) = 4y
Answer:
There can be 8 teams at most
4 girls on each team
5 boys on each team
hope this helps! :)