? Find the arc length of the semicircle.
Either enter an exact answer in terms of # or use 3.14 for and enter your answer as a decimal.
units

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¯¯¯¯¯¯¯¯)?

What expression is equivalent to (2x-1)(x-3)?

Long division the problem is 40 ➗ 348 = ?