Answer:
3n+10
Step-by-step explanation:
6(n+4)-4
PEMDAS
start with parenthesizes
6 x n = 6n
6 x 4 = 24
so we have
6n+24-4
subtract the 4
6n+20
simplify by dividing by common factor
6n/2 =3n
20/2 =10
3n+10
Answer: d = -3
Step-by-step explanation:
2d+3=7d+18
-5d=15
d=-3
21 + 28 = 49 students
Ration of history 21 to students 49 = d)21:49
The nearest whole number would be 18 because the 6 is greater than 5. Anything greater than five, would most likely be rounded to the nearest whole number. Hope this helped!