Solve by scalarization of 3x3 equation

x+2y+32 = 1
2x=y+zz=10
3 4 + 4z = 0

Average acceleration: i have no idea how to do this.

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.