THIS IS PRETTY EASY IM JUST d u mb SO PLEASE HELP: The elimination method was used to solve the following system of equations:

x2 – y = –4
x2 + y2 = 16

Which of the following is the correct y-coordinate of the solution?
ITS EITHER 4, 0, -3 OR -5

What is the greatest common factor of 8 and 36

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Hi if you want to play a sports related kahoot go to kahoot. it and type in this code: 659344