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 j b. 28,600 j c. 1,400,000 j d. 2,860,000 j

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document