exam Maths Puzzle Numerical Ability

the angles of a triangle have the following measures: angle A= (3x+8) degrees; angle B = (9x-3) degrees; and angle C = (4x-1) degrees. Determine the measure of each angle.

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exam Other Question

Are the following lines parellel, perpendicular, or neither?

L1 through (-4, -7) and (1, 3)
L2 through (2, 6) and (4, 10) Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.

3√80a^7b^5 / 3√10a^5b^4