exam Maths Puzzle Numerical Ability

You have at least $30 in change in your drawer, consisting of dimes and quarters.Write an inequality that shows the different number of coins in your drawer.
McGraw Hill 6th Edito

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exam Other Question

Find an equation for the hyperbola that has its center at the origin and satisfies the given conditions: Foci F(0,±5); vertices (0,±4). Graph the hyperbola. Given that the sum of the interior angles of a regular polygon is four times



the sum of its exterior angles.



Find the number of sides of this regular polygon.