Given sin z=4/5 and cos x=3/5. what is the ratio for tan z? enter your answer in the boxes as a fraction in simplest form.

Simplify. show your work. ( 6x-2 ) ^2 ( 0.5x )^4

What is the exact volume of the cylinder? 16in going into the middle of the top of the cylinder and 40in in height a) 25,600(pi)3 b)10,240(pi)3 c)1280(pi)3 d)640(pi)3

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )