exam Maths Puzzle Numerical Ability

The total score on 3 tests in math, physics, and biology was 290. The score in physics was 1/2 the score in biology. The score in math was ten less than in bio. Find the scores.

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State the domain of the following

m(x)= 5/x^2+9 Hi my name is Tim and I have a question about graphing triangles.

14. The vertices of a right triangle are (-12, 8), (24, 8), and (24, -7). Find the length of the hypotenuse of the triangle (hypotenuse = side opposite the right angle).