Is y= 4x +5 and y= 1/4x -2 perpendicular

Determine the next term in the sequence. then write the next 2 terms 4,16,28, what number do you do to get that?

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

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working