Which of these skills do you need more with select all that applya. finding the square and square roots of numbers b. idrntifying rational and irrational numbersc. comparing values of rational and irrational numbersd. evaluating perfect squares and cubese. using roots to represent solutions to equations

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.