The value of sin(theta) = -12/13 and the terminal ray of theta lies in quadrant III. Find the cos(theta) and tan(theta). Show all work

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?