19 × ? =361 ÷

Find the value of 'a' and 'b' which satisfy the following equations:

9a + 7b = 30

4a - 5b = 62

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

I. 8/(√x) + 6/(√x) = √x

II. y ³- (14)^7/2 /(√y) = 0

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

The equations 6x + my + 18 = 0 and 9x + 21y + 27 = 0 have a unique solution. Which of the following statements is definitely true?

I. p² – 5p + 6 = 0                  

II. 36q² = 81

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

If in two linear equations ax + by = c and dx + ey = f and a/d = b/e = c/f  then, which of the following is true about the two equations?

I. p² - 365 = 364

II. q - √ 529 = √ 169