exam Maths Puzzle Numerical Ability

Is the number 486723468523 prime?

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exam Other Question

Can someone please help me understand this problem? Graph the solutions to the system of inequalities 3x + 8y (>=) 240, 9x + 4 (>=) 360, x(>=) 6, y(>=) 0. A corner point of the sol A triangle has angles of 2x-1, 3x-2 and 7x+3. Find the measure of the 3 angles.

a. 41 31 108
b. 39 33 108
c. 43 33 104
d. 42 29 108
e. none.