X<7 I hope it help have a good grade
An hour is 60 minutes so 80-60 = 20 so 1 hour and 20 minutes.
First u have to find the area 11x3=33, 3x1=3, 3x2=6 sum=42
The answer is (x,y) =(28/11, -21/11)
Find the range. 83, 71, 62, 86, 90, 95, 61, 60, 87, 72, 95, 74, 82, 54, 99, 62, 78, 76, 84, 92
galina1969 [7]
Answer: 45
Step-by-step explanation: The range is the difference between the greatest number in the data set and the least number in the data set which in this case is 99 - 54 or 45. So the range of this data set is 45.
