The probability is 4⋅3⋅2⋅1/10•9•8•7=(4/4)(6/0)/(10/4)=1/210 so the probability of selecting 3 red balls would be 1/210
Simple not rlky but I think it's the second to last one

So, there are (3)(4)(2)=24 positive factors.
They traveled 416.25 miles
we now that they travel 55.5 in one hour and we know they traveled 7.5 hours, so multiply 7.5*55.5
which gives you 415.25 miles
Answer:
Hailey's distance from home
Step-by-step explanation:
as time passes, the y value get ssmaller and smaller. ultimately becoming zero.
for the first option, if she is riding her bike away from school, her distance from school would not be getting smaller and smaller
the height of the tree would not be getting shorter and shorter
the number of students on a bus would be increasing on the way to school
however, as hailey approaches her house, her distance from the house would be getting smaller