If 81km = 9L, then 9km = 1L.
So ?km = 22L.
With 22L, Amanda can drive 198km.
Answer:
1. 4
2. 16
3. 9
Step-by-step explanation:
Completing the square requires a quadratic in
form. Once in this form, calculate
.
1. 
2. 
3. Requires you divide everything by 3 first.


Answer:
C. 90
Step-by-step explanation:
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Answer:
75c-180
420 for 8 customers
Step-by-step explanation:
Her tools cost her 180
-180
she makes 75 per customer
75c
She will make
75c-180
She gets 8 customers
75(8)-180
600-180
420
B is false, since by the inclusion/exclusion principle,

By independence, we have
, which is zero if either of
or
is 0, which isn't guaranteed.