The cost of 7 plates and 8 cups is $295 while the cost of 1 plate and 6 cups is $115. 1.Write a system of equations to represent the above.
2. Hence determine the cost of 2 plates and 3 cups

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

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.

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a