Which equation is part of solving the system by substitution? StartLayout Enlarged left-brace 1st Row x + y = 11 2nd row 4 x squared minus 3 y squared = 8 EndLayout

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.

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Use circumcenter theorem to solve for the given values