The plant Indigofera tinctoria yielding a blue dye (nil)

Solve: 2x + 3y = 19 and x − y = 2, Find x and y

I. p² – 5p + 6 = 0                  

II. 36q² = 81

If 2x + 3y = 27 and 3x - y = 13, find (x + y).

The ratio of roots of an equation

ax²+bx+b = 0 is p : q

Then find, √p/√q + √q/√p + √p/√q ?

If 0.4x + 0.6y = 26 and x - y = 10, find x.

3 pens + 5 pencils = ₹49

4 pens + 3 pencils = ₹47

Find cost of one pen.

The slope of the equation  24x+ 8y =56 is

I. 2p² + 5p + 2 = 0               II. 2q² + 11 q + 14 = 0

Find the area between the lines 18x +12y = 108, 9x  + 6y  = 27, x - axis and y -axis. 

I. 8/(√x) + 6/(√x) = √x

II. y ³- (14)^7/2 /(√y) = 0