Answer:
its
Step-by-step explanation:
Answer:
d=sqrt(18^2+24^2)=30
Step-by-step explanation:
Answer:
138 students
Step-by-step explanation:
207/9 = 23
23*6=138
Answer:
rate of change = 3
Step-by-step explanation:
to find the rate of change 
(0,-4) (1,-1)
=
= 3
Answer:
16 year olds had the higher ratio of black belts to brown belts.
Step-by-step explanation:
15 year olds: 8/28 students had black belts
8/28 = 28.6% had black belts
16 year olds: 10/27 students had bald belts
10/27 = 37.0% had black belts