What is the sum of the described series?
A.$82,500
B.$77,000
C.$9,000
D.$5,500

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me