What combinations of (possibly different or including multiples) regular polygons can exactly fit around a single point? (Their angles at that vertex have to add up to 360°)

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

What is the quotient? x+5/ 3x²+4x+5 © 3x2 – 11 + x + s 3x – 11 + 60 x + 5 o 3x2 - 11 - 50 x + 5 3x – 11 - - x + 5

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500