exam Maths Puzzle Numerical Ability

Graph the solution set of the following set of inequalities:
y>=x^2-1
y<=-x+2

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exam Other Question

Simplified (w/o negative exponent):

m^-1 * m^5
(-----------) ^-3
m^-2 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?