Answer:
Solution given:
ratio of boys to the girls=5:3
let ratio be 5x and 3x
we have
5x+3x=40
8x=40
x=40/8
x=5
5x=5*5=25
3x=3*5=15

No of boys=25
No of girls=15
Answer:
Step-by-step explanation:
D
Answer:
x = 2
Nothing more, nothing less
I believe it is 12x^2-12m
Answer is -8
(-1)+(-7) turns into (1)+(7)=8 and then back to original which will be -8