Which of the following should not be done to keep people from slipping on floors?
a) anytime oil or fluids are spilled on the floor, leave them to thoroughly air dry
b) wear slip-resistant footwear
c) have the proper absorbents in an easy-to-find place to quickly put on spills
d) mark a slippery area with an easy-to-use tent sign that says "caution, slippery floor"

Using least squares fitting, you are to fit the data sets to the following models and solve for the parameters ai , where i is the index of the parameter. the input/output data for the systems are linked in the bblearn site. for each of the systems use matlab to plot the supplied data vs. the model fit on one plot. include your code in the solutions. (a) linear fit "lineardata. mat" y=a1x^3 + a2x^2 + a3x + a4 (b) plant fit "plantdata. mat g(s) = a1/(s + a2)

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

Which tab is used to change the theme of a photo album slide show? a. design b. view c. transitions d. home