book Maths Puzzle Numerical Ability

Please help me simplify this question

9(sqrt3x) + (sqrt27x)

A)18(sqrt3x)
B)9(sqrt3x) + 3(sqrt9x)
C)9(sqrt6x)
D)12(sqrt3x)

Read Solution (Total 0)

book Other Question

I need help with this one. Determine the equation: a hyperbola with foci (+-3,0)and x-intercepts (+-2,0). Any help is appreciated. Thanks
jp

isbn 0-201-75526-2
Solve the following systems by graphing.
x - 2y = 8
3x - 2y = 12
: If you are unable to graph, follow these instructions:
State in words exactly where the points should be loca