21 - 16.75 is 4.25. Do the problem on a calculator and you'll get it.
31.5749...9...9....9....9....
Answer:
D.
Step-by-step explanation:
Two events A and B are independent when

where
is the probability that event A occurs given that event B has occured.
A = randomly selected person is from California
B = randomly selected person preferred brand A
A|B = being a person from California and preferring brand A.
Hence,

Since
events are independent.
F(-5) = -5^2 - 2*(-5) - 7 = 25 - (-10) - 7 = 25 + 10 - 7 = 25 + 3 = 28
Answer:
To find the acceleration we have its formula as
v-u/t where v is final velocity, u is initial velocity and t is time
So substituting the values,
0-40/5 m/s²
-40/5 = -8 m/s²
Thus the acceleration is -8m/s²
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