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.
Answer:
the first one is A
b/c when you calculate it comes 0 = 6
And the second one is D
b/c when you calculate it comes 0 = 2
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Answer:
4.25 grams
Step-by-step explanation:
100 / 5 = 20
85 / 20 = 4.25
4.25 grams of pure drug are in 85 milliliters of a solution.
It is a! I did this assignment and got it right that’s how I know!
Answer:
5 yd³
Step-by-step explanation:
2 in = 1/6 ft
15 ft × 18 ft × 1/6 ft = 45 ft³
1 ft³ = 9 yd³
45 ft³/9 = 5 yd³