If `x=1` and `y=2,` find the values of each of the following algebraic expressions: (i) `3x+2y-7` (ii) `x^2`

If x=1 and y=2, find the values of each of the following algebraic expressions: 2x+3 (ii) 3x-5y

If x=1 and y=2, find the values of each of the following algebraic expressions: 3x+2y-7 (ii) x^(2)

If x=1 and y=2, find the values of each of the following algebraic expressions: (i) 2x+3\ (ii) 3x-5y

If x=1 and y=2, find the values of each of the following algebraic expressions: (i) x^2y (ii) x^2+y^2 (iii) y^2+3-x^2

Write all the terms of each of the following algebraic expressions: (i) 3x (ii) 2x-3

If x=1 and y=2, find the values of each of the following algebraic expressions: x^(2)y( ii) x^(2)+y^(2)y^(2)+3-x^(2)

If x=1,\ y=-2\ a n d\ z=3, find the values of each of the following algebraic expressions: (i) x^3+y^3+z^3-3x y z (ii) 3x y^4-15 x^2y+4z

Write all the terms of each of the following algebraic expressions: (i) 2x^2-7 (ii) 2x^2+y^2-3x y+4