Tanya has captured many purple-footed bog frogs. She weighs each one and then counts the number of yellow spots on its back. This trend line is a
fit for these data.
24
22
20
18
16
Number of spots
12
10
1 2 3 4 5 6 7 8 9 10 11 12
Weight (g)
O A. strong
O B. weak
O C. parabolic
D. negative

Can some one me with these questions

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?