(12x^2y^−2)^5(4xy^-3)^−7
= (248832x^10y^21)/(16384x^7y^10)
= (248832x^3y^11)/(16384)
= (243x^3y^11)/16
There are 146 - 84 = 62 girls
ratio is 84:62
simplifies to 42:31
Answer:
I think its x=2 sorry if im wrong
Step-by-step explanation:
Answer C. The pattern is that each number in sequence 1 is being doubled to get the number in sequence 2, and 40*2=80
If I remember right the answer is c