Amachine has an efficiency of 70%. how much work does the machine do when 20,000 j of work is done on it? a. 14,000 jb. 28,600 jc. 1,400,000 jd. 2,860,000 j

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

What is the greater volume 72 quarts or 23 gallons

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?