How many square feet will somebody need to cover the entire floor if it was 15 ft. by 18 ft

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.