Justify each step used to simplify the expression.

1. 3x+2y-2x+3=3x-2x+2y+2
2. =(3x-2x)+2y+2
3. =(3-2)x+2y+2
4. =x+2y+2

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by