George’s cat had a litter of seven kittens. four of the kittens are male. three are female. which set of symbols correctly describes the gender of the kittens?

a.
xx, xx, xx, xx, xy, xy, xy

b.
xy, xy, xy, xy, xx, xx, xx

c.
y, y, y, y, x, x, x

d.
x, x, x, x, y, y, y

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.