Which expression is equivalent to (x+1)^2-9/x+4 a. x-2 b. x+2 c. x-4 d. x+4

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18