Skylar is arranging 8 objects in a row on a shelf. in how many different ways can she arrange the objects?

What percent of 18 is 24? and plz explain thx.

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Prove that 16^4-2^13-4^5 is divisible by 11.