Calcule a área lateral de uma pirâmide regular quadrangular de altura 6 cm e área da base 64 cm2​

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

What is the best estimate of the length of a football