To draw a Lewis structure for a polyatomic ion, begin by calculating A, the available
electrons, and N, the needed
electrons.
What is N for ClO3, the
chlorate ion?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$