I- Here, the pronoun should be with respect to the ‘formats’. So, ‘they’ is correct. Students should get used to one of the formats as they will help them during their research. III- Here, ‘to use’ should be changed to ‘using’ I think using my card now might be the perfect chance for me.
I. x2 + 13x + 42 = 0
II. y² + 13y + 40 = 0
What is the speed of the stream if a ship takes 15 hours to travel 240 km in calm waters, given that the ratio of its speed against the current to its s...
I. 3x2 – 16x + 21 = 0
II. y2 – 13y + 42 = 0
I. x3 = 1728
II. y2 – 15y + 56 = 0
I. 2x² - 7x + 3 = 0
II. 8y² - 14y + 5 = 0
I. 2y2 + 31y + 99 = 0
II. 4x2 + 8x – 45 = 0
How many values of x and y satisfy the equation 2x + 4y = 8 & 3x + 6y = 10.
I. 3p² - 17p + 22 = 0
II. 5q² - 21q + 22 = 0
If 4x = 40, 3y = 33, what is the value of 6x + 4y?
I. (x13/5 ÷7) = 5488 ÷ x7/5
II. (y2/3 × y2/3 ) ÷ √4 = (343y)1/3...