In november 2010 the average price of 5 gallons of regular unleaded gasoline in the united states was 14.46. what was the price for 16 gallons of gas?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

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.