exam Maths Puzzle Numerical Ability

A triangle with three acute angles and no congruent sides is?

A. an equiangular triangle
B. a right triangle
C. an isosceles triangle
D.an obtuse triangle
E. an acute scalene triangle

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exam Other Question

Twice the difference of seven times a number and four yields the same result as the same number increased by six.

*I am having a problem translating this problem, could you please help me*
Thank you! Gene earned $264 last week. He worked a total of 44 hours, part at an hourly rate of $5.50 and part at an hourly rate of $8.25. How much did he earn at each rate?