Arguably, all of them are at least somewhat biased, but the most biased would be <span>surveying people 15 to 20 years old leaving a concert </span> because being at a concert would be highly correlated with liking the type of music played at that concert.
The first 8 on the left in this number has a value of 800.
First find the least common denominator (8), and then subtract. After subtracting you should get 31/8, which as a decimal is 3.875 and as a mixed number is 3 7/8.
Domain: 6,-5,-1
Range: 2, 0, 2
Step-by-step explanation:
∆=3*6=18
[]=5*15=75
75+18=93 in squared