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Questions in Grade Middle-school

[Open]Find the exact square root of 90.

[Open]Please help me with all of the questions or u can just pick any letter or letters to answer. Much appreciated!!

[Open]Which colony was the first to promote religious tolerance?

[Open]Solve the system of equations: 1. \(6x + 3y = 12\) 2. \(6x - 5y = 60\)

[Open]Factor this polynomial completely over the set of complex numbers: \[ x^3 - x^2 - 4x + 4 \]

[Open]Prove the following trigonometric identity: \[ \cos^2(2x) - \cos^2(6x) = \sin(4x) \sin(8x) \]

[Open]Find the area of a regular 12-sided polygon with a side of length \( s \) and an apothem of 8. (Give your answer in terms of \( s \).)

[Open]What two layers make up the skin? A. Keratin and dermis B. Epidermis and dermis C. Epidermis and melanin D. Melanin and keratin

[Open]A root of [tex]x^2 - 5x - 1 = 0[/tex] is:

[Open]I've been having a bit of trouble with math. What is a rational number between 1.08 and 1.8, and how did you get your answer?