The upper quartile is, Q1, is 45. The lower quartile, Q2, is 85. The interquartile range is 40. I hope this helps!
Answer:
y=3/4x-4
Step-by-step explanation:
The form is y=mx+b so isolate y
-4y=16-3x
y=-16/4-3x/-4
y=3/4x-4
F (1) - f (-1) / 1- (-1) = -1 -3 / 1+1 = -4/2 = -2
/ are fractions the equal signs should break them up, hope this helps.
The answer is c. 10y and -9y
