9.3, 9 1/3, 37/4, and 9.34 least to greatest

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Danielle’s aunt is 8 years than 3 times danielle’s age. her aunt is 34. write an equation that relates danielle’s age, a, to her aunt’s age. then find danielle’s age.