A 5 1/2 foot by 12 foot concrete wall is to be built using concrete blocks. What is the area of the wall

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Pls the last one and it has to be like number 6

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18}, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.