exam Maths Puzzle Numerical Ability

Factor completely: 12p2 + 20p
A)2(6p2 + 10)
B)4p(3p + 20)
C)4p(3p + 5)
D)6p(2p + 5)

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exam Other Question

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

(y+6)^2/18+(x-5)^2/4=5
Given the algorithm,

1. pH = - log[H+]
2. H+ = 10-pH

where pH is acidity level and H is hydrogen ion concentration

Find [H+] for condensed milk with 6.3 pH.

Make