Find the area of a circle with a radius of 7 feet. use 3.14 π

Ineed to know the rule for the sequence. plz !

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

Hi my sisters and brothers can tell me the answer because i don’t understand the question