If total costs are C(x) = 2700 + 2580x
and total revenues are
R(x) = 2700x − x2,
find the break-even points. (Enter your answers as a comma-separated list.)

X+

41/17 as a decimal rounded to the nearest hundredth

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16