The numbers below record the number of feet a hot-air balloon rose and fell each minute during a 6-minute period. +410, +350, −570, +190, −470, −600
a. Find the balloon’s final position in relation to its original position.
b. Find the balloon’s mean change in position per minute.

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.

Find two rational expressions that have the difference of 2-n/n-4

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236