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Step-by-step explanation:

To find the interquartile range , first find the median (middle value) of the lower and upper half of the data. These values are quartile 1 and quartile 3 . The IQR is the difference between Q3 and Q1.

a) t'(-3, 6) and v'(0, 3)  

step-by-step explanation:

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x