PLZZ HELP When dividing fractions, the term becomes the reciprocal.

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Second
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First

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

What is the ratio fraction form of 25: 9