PROBLEM: A canvas tent is to be sewn to the dimensions as shown. The tent consists of two
side panels, each 10 feet by 10 feet; two end
panels that are triangles, each 8 feet high and
12 feet at the base; and a floor that is 12 feet
by 10 feet.
About how many square feet of canvas
are used to make the tent (sides, ends,
and floor)?
Select the correct answer.
268 sq. ft.
200 sq. ft.
296 sq. ft
10'
320 sq. ft.
416 sq. ft.
DONE

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2