Escreva o cálculo da seguinte subtração dos números decimais em binário, considerando a representação em complemento de 2 : 80 - 61

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank