In the following exercise, determine which are polynomial functions. For those that are, state the degree and leading coefficient. For those that are not, please explain why they are not polynomials. ()=3−5+172+12

()=−9+2

ℎ()=25−123+5−7

()=13

()=273+86‾‾‾‾‾‾‾‾‾‾‾√3

()=4−52

PLEASE HELP ME

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection