Solve 3(5x + 7)= 9x + 39

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3