310-85=225
225/25=9
Therefore it will take her 9 weeks
Answer:
77.25 cm^2
Step-by-step explanation:
Area of a regular octagon :
2a^2(1 + (sqrt2))
where a is the side
substitute 4 in for 'a'
H(t) = 0 for t = 7 and for t = -2.
It is reasonable for the time to be positive, 7 seconds.
(The offered answers all appear to be negative, so none are reasonable.)
Answer:
n[total]=25
n[top finishers]=8
the number of possible outcome
=
outcomes
company a: 2mins
company b: 7mins
:)