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(2a + b^0.5) ²First Expand the brackets:(2a + b^0.5) x (2a + b^0.5) 4a² + 2ab^0.5 + 2ab^0.5 + b Simplify the expression by collecti...

Using the ratio one apple: one orange is 2:3 it can be found that one orange = (3/2) * one apple. As 12 apples cost £6, one apple cost £6/12 = 50p. Therefore, one orange = (3/2) * 50p = 75p and 10 oranges...

r=6 h=5 Therefore, volume=(1/3)pi6²*5=188.5cm

First, find the gradient, m, of the line AB. Gradient is given by: change in y / change in xChange in y = 15-1 = 14Change in x = 10-4 = 6Gradient = 14/6 = 7/3The ...