That might be the diameter of the circle
Its A, because a filled in circles means equal to and the arrow is going to the negatives because its less than 15.
there are 230 bags of bolts in the box because with 12 bolts per bag, you divide the total number of bolts by the number per bag to get the number of bags :)
Answer:
P(A) = at most 25 of them like to swim
P(B) = at least 26 of them like to swim
P(A) +P(B) = 100%
=> P(B) = 100-P(A) = 100-38 =62%
=> B is correct
Foil or something
FOIL
First
Outer
Inner
Last
multipliy
First: k times k=k²
Outer: k times -1=-k
Inner: -3 times k=-3k
Last: -3 times -1=3
add
k²-k-3k+4=
k²-4k+4
B