The label on a medicine bottle lists the dosage as one-half ounce per 10 pounds of body weight. How many ounces is the proper dosage for a child weighing 90 pounds? Enter your answer as a decimal.

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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 is the point slope form of a line with slope -5 that contains point (2,-1)