Answer: They are wrong
Step-by-step explanation: x is given a value in the problem. Since x equals 4, We plug x into the equation.
y = 2(4) + 1
Y is actually equal to 9 minutes, not twelve.
Answer: 40:27
Step-by-step explanation: 80:54 / 2:2 = 40:27
Answer:
I think this one would be none of the above
Answer: The price of item is $495.
Step-by-step explanation:
Since we have given that
Amount that Sara have = $90
Amount that Rachel have = $405
If they combine their money they will have enough to buy item.
So, Price of item would be
Amount that Sara have + Amount that Rachel have

Hence, the price of item is $495.
Answer:
Should he be surprised at this result
The found proportion is 1.56 standart deviations away from the expected. we should no be surprised .
Step-by-step explanation:
p=0,44
q=1-0.44=0.56
u=p=0,44
o=
=
= 0.032
proportion of students in binge drinking 96/244 = 0.39
The found proportion is 1.56 standart deviations away from the expected. we should no be surprised .