Answer:
-2a^4+8a^3-6a^2
Step-by-step explanation:
2a^2(a-1)(3-a)
2a^2(-a^2 +3a-3+a)
2a^2(-a^2+4a-3)
-2a^4+8a^3-6a^2
A) interquartile range
The difference between the upper and the lower quartile is a measure of spread known as the interquartile range.
The second option.
Basically, you can use SAS.
Trapezoid Area = (Bases / 2) * Height
20 cm² = 5 * Height
Height = 4 cm
First question
42 students
Second question 65%