Discover Questions

Do your shoes match the shoe strings? 1. Consider the sets A = {−1,0,2,1} and B = {x : −1 < x < 3,x ∈ Z}. Are sets A and B
(a) equal?
(b) equivalent? Anyone answer this thanks? In the equation E=mC^2 is the mass content of the motion displace at the speed of ligtht irrespective of the gravity field.? What is the pH of a 0.27 M HNO2 solution? Ka = 4.50 ✕ 10-4.?