exam Maths Puzzle Numerical Ability

this was on my test:

Factor completely


8x(Cubed)-27

in words:
eight x cubed minus twenty seven

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exam Other Question

swiming pool contains 14000 gallons of water, how many gallons of chlorine do you need to add to get a 33 percent mixture? #9

Identify x = 4sint

y = 5cost



a) circle

b) parabola

c) ellipse

d) hyperbola

e) none of these