A scale drawing for an apartment is shown below.
In the drawing, 5 cm represents 6 m.
Assuming the bedroom is rectangular, find the area of the real bedroom.
- 11 cm
5
cm
11 cm
Living Room
Bedroom
10 cm
Area of the real bedroom:

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?