5n-4
Just plug numbers into it. Make this a table.
n 0 1 2 3
y 1 6 11 16
105 Animals....You know that because when you add together the head & feet that's adding all the animals together to get the total number of animals
Im not sure but...
(x+21) + (2x+9)=90
x+21+2x+9 = 90
3x+30 = 90
3x = 60
x = 20
Answer:
A
Step-by-step explanation:
It would be A, because the two bisector lines that cut through this trapezoid are the same length, so 5.9-4.1=1.8. So the length of RN would be 1.8. Hope this helps!
