Joe has a rectangular shaped garden in his back yard. The width of the garden measures 2x - 4units and the length is 8x + 6 units. Draw a diagram of the garden and then answer the following questions. a. Express both the area and perimeter of the garden as algebraic expressions.

b. If x = 3 feet, what are the area and perimeter in feet?

c. A local landscaper charges $3.50 a square foot to fertilize the garden. Joe can fertilize the garden himself for

$1.75 a square foot. How much will Joe save by fertilizing himself?

d. To keep the deer out, Joe plans on installing a deer fence. How much will this cost him, if deer fencing is

$5.75 a linear foot and then $2.25 a linear foot to install?

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

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which of the following graphs could represent a cubic function?