Question

answer in step......​

Answer 1

Answer:

we know perimeter of square is 4*side

side is (X+9)units

so

perimeter is 4(X+9) units

answer is 4x+36

Answer 2

Answer:

If 3x – y = 2, 5x + ay = 3 and 2x + y = 3 are concurrent lines, then the value of ‘a’ is