Write a net ionic equation for the reaction that occurs when calcium sulfite(s) and hydroiodic acid are combined. Note: sulfites follow the same solubility rules as sulfates.

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Aline passes through 3,7 and 6,9 what equation represents the line