Ron is training for a marathon. he runs at 50% of his original training speed on monday, and at 4 miles per hour less than his original training speed on tuesday.

if the sum of his running speeds of the two days is 17 miles per hour, what was his original training speed?
6.51
14
21
8.67

Rewrite so the subject can be y in the formula d=m-y/y+n

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)

Which geometric principle is used to justify the construction below?