12 girls in a class of 15 girls have short hair and the rest have long hair . What percent of the girls has long hair ?​

Step-by-step explanation:

long hair

15 - 12 = 3

long hair percentage

= 3 ÷ 15 × 100

= 20%

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.