4•(2x+1) 4•2x=8x 4•1=4
8x+4
-3=-3(x-4)
-3•x=-3x
-3•(-4)=12
-3=12-3x
-3=12
X=2
Answer: x = 10
hope this helps :)
Answer:
216
Step-by-step explanation:
I believe that is the answer
A standard normal distribution has a mean of zero; half the bell curve is to the left of zero and half to the right.
A standard normal distribution has a standard deviation of 1 and follows the 68-95-99.7 rule; e.g. 99.7% of the probability is between -3 and +3.
Choice a
Yes it is because the each element in the domain corresponds to exactly one element in the range.