Which step could you use to start solving the system of equations below? x + y = 3
-3x - 2y = -7

Group of answer choices

Multiply -3x - 2y = -7 by 2 and subtract it from x + y = 3

All of the above.

Multiply x + y = 3 by 3 and add it to -3x - 2y = -7

Add x + y = 3 to -3x - 2y = -7

The triangles are similar. what is the value of x? show your work.

Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?