Find the margin of error for the given values of c, 0, and n. C=0.90, 0 = 26, n=81

E- (Round to three decimal places as needed.)
0 Table of Common Critical Values
Zc
Level of
Confidence
90%
95%
99%
1.645
1.96
2.575

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Find the zeros of each function. f(x) = x^2 + 5x - 6