Cowboy Bob owns a used car lot. There are currently 40 cars on his lot and the mean weight of those cars
is 3,200 pounds. Cowboy Bob sells 5 of the cars, and
the mean weight of the remaining cars is then 3,100
pounds. What is the mean weight, in pounds, of the 5
cars that were sold?

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36