Steve is replacing the carpet in his square shaped living room. which formula should steve use to calculate the amount of carpet padding he should buy? (options in picture)

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 the area of an equilateral triangle with a side of 6 inches

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.