Aschool principal wants to observe how classroom area has an effect on classroom learning. the principal randomly chooses a group of students of the same age and grade, and places them in a classroom with an area of 400 square feet. the test scores of the class are recorded and analyzed at the end of the semester.

By Including a classroom with movable walls

Step-by-step explanation:

Apex answer!! MVHS 2020

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1

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step-by-step explanation:

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