exam
Maths Puzzle
Numerical Ability
if 20lb of rice and 10lb of potatoes cost $16.20, and 30lb of rice and 12lb of potatoes cost $23.04, how much will 10lb of rice and 50lb of potatoes cost?
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exam Other Question
Add or subtract as indicated. Express your result in simplest form.
4y/y2 + 6y + 5 + 2y/y2 - 1
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Graph each of the following quadratic equations after completing the given table of values.
y=-x^2- 2
x y
-2
-1
0
1
2