The mean weight of 8 girls is 55kg and the mean weight of a group of boys if 52kg. the mean weight of all the students is 53.2kg. how many boys are there?

13 - (2c + 2) = (c + 2) = 3

54 * 2 to thepowerseventy

Teds company received an order to print 10^6 pages. Teds company has 100 machines, each of which can print 10^4 pages a day. How long will it take to make 10^6 copies?

A regular pentagon has a perimeter of 20 cm What is the length of one side of the pentagon?

Tempestt graphs a function that has a maximum located at (-4, 2). Which could be her graph? On a coordinate plane, a parabola opens up. It goes through (negative 6, 6), has a vertex at (negative 4, 2), and goes through (negative 2, 6).

What transformation describes the graph of y=x+8

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Two trains, Train A and Train B, weigh a total of 407 tons. Train A is heavier than Train B. The difference of their weight is 249 tons. What is the weight of each train

A parachutist's rate during a free fall reaches 189 kilometers per hour. What is this rate in meters per second? At this rate, how many meters will the parachutist fall during 5 seconds of free fall? Do not round your answers.

A tugboat pulls a ship with a constant nethorizontal force of 3.01Ã-103N and causesthe ship to move through a harbor. How much work does the tugboat do on theship if each moves a distance of 3.93 km? Answer in units of J.