SinA/sinB=2/√3 and cosA/cosB=1/√2 ,tan^2B=?​

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Atemperature of 1.64◦f corresponds to answer in units of ◦c.