What is the value of 4x10 with the exponent of 2 sorry I'm not good at exponents?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3