Simplifique
(3x² + 2x4 + 6) – (-6 + 4x3 – 10x4)

What is the area of triangle abc if a = 8, b = 11, and c = 15?

What is the measure of angle 1? a.28 b.152 c.168 d.64

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?