Answer:
25 roses and 40 white carnations
Step-by-step explanation:
They are supplementary angles. They are located on a straight line, and when added together they will add up to 180 degrees.
Most graphing calculators will do weighted averages pretty easily. It is mostly a matter of data entry.
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)
The range is 30 to find the range u subtract the biggest from the smallest so 81-51=30 hope this helps