exam Maths Puzzle Numerical Ability

What is the x-coordinate of the center of the ellipse with the following equation?

(y+6)^2/18+(x-5)^2/4=5

Read Solution (Total 0)

exam Other Question

rationalize the denominator of the fraction.3 sqrt 3 over 3 sqrt 7 i came up with 3 sqrt 147 over 7 but i have no idea if this is correct.thanks in advance for your help .also rewrite 5 sqrt c with a small 2 at the top of the c.for this one i got c 2/5 Factor completely: 12p2 + 20p
A)2(6p2 + 10)
B)4p(3p + 20)
C)4p(3p + 5)
D)6p(2p + 5)