If x^2 + 1/x^2 = 18 , find the value of x^3-1/x^3​

Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72

What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?