HELP ME !! find the value of x​

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Which term best describes the association between variables a and b

Someone me what is the area of this figure? 18m 18m 8m 16m