For f(x)=4x+1 and g(x)=x^2-5, find (f•g)(x)

Which statement about perfect cubes is true

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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