at a given temperature, a first-order reaction has a rate constant of 3.4 x 10–3 s–1 . what is the time required for the reaction to be 44 omplete?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Use the drop-down menus to complete the statements to match the information shown by the graph.