Which system of equations has the same solution as the system below? 4x + 4y = 16
3x + 2y = 3

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.

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?