solve the simulataneous equations:
y=1/4x+5
y=-2x+1/2
x(4x-2)+x(5x+6)
loga/logb
simplify 51/180
lnb/lna
find the gradient of e(4,6) and f(16,12) of a straight line
tax paid on the property is rt p 4800 at ty he rate of 5%tax
y = x +2y
880/165
) -5|-2|+[3(∛(-64)÷|2|)+2^3 ]