Plz hurry on a timer! Which expression represents the total surface area, in square centimeters, of the pyramid?

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

Name the most appropriate metric unit for each measurement

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15