Simplify 6 - 23 + (-9 + 5) · 2 a. -10 b. -12 c. 6 d. -8 i've been told the answer is a. -10, but i need to know how to get that answer.

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

What is the binomial expansion of (2x-3)^5

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points