On a mountain bike trip along the Gemini Bridges Trail in Moab, Utah, Safiya stopped on the canyon floor to get a good view of the twin sandstone bridges. Safiya is standing about 60 meters from the base of the canyon cliff and the natural arch bridges are about 100 meters up canyon wall. If her line of sight is 5 meters above the ground, what angle is she looking up to the top of the cliff?

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

When solving a logarithm equation, how do you find the missing variable ?

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