If A=30° and B=60°,show that sinc(A+B)= sinA . cos60°.sin 30°

Need on this geometry question. explain how you did it.

Draw a scaled copy of the circle using a scale factor of 2

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13