Answer:
The two grades that have a proportional relationship between the numbers of girls and boys are and grade 6 and 8
Step-by-step explanation:
Girls: Boys
9 : 12 (grade 6)
15 : 20 (grade 8)
3 : 4
Answer:
The correct answer choice would be : B.6
Answer:



33.3333
Step-by-step explanation:
Answer:
Step-by-step explanation:
This is an arith. sequence.
The first term is 3 and the common difference is 1
Thus, the general formula for the nth term of this sequence is:
a(n) = 3 + 1(n - 1) This matches Answer A
Step-by-step explanation:
7(36-2c+4)
=252 - 14c + 28
=310 - 14c