Answer:
No they do not have to be congruent.
Answer: A. 0.0164
Step-by-step explanation:
Given : The lengths of human pregnancies are normally distributed with a mean 
Standard deviation : 
Let X be the random variable that represents the length of pregnancy of a randomly selected human .
z-score : 
For X = 300

Now, the probability that a pregnancy last at least 300 days will be :-

Hence, the probability that a pregnancy last at least 300 days =0.0164
Answer: 36 different salads can be ordered.
Step-by-step explanation:
Answer:
$70.80
Step-by-step explanation:
18%=0.18----Covert the percentage as a decimal
60*0.18=10.80----Multiply the dinner cost by the decimal as tax
$10.80+$60.00=$70.80----Add the last number and the price of the dinner to get your total of $70.80.
Have a good day! I hoped this helped
Answer:
there are only 1 and that is x=-1/4
Step-by-step explanation: