79, 80, 81. The middle of the 3 integers can be represented as x. Since these are consecutive integers one will be one higher and the other will be one lower.  So the other numbers can be expressed as x + 1 and x -1. Sum indicates addition of the integers so we can add … Read more

Explain topic such as it origin, spread (how contagious, whose most vulnerable), effects on body, precautions to take (the making of the vaccine), implications (school closings) and predicted path (future problems, conquering). Choose one of these topic and explore in depth or research about all, perhaps a paragraph or so about each. There's plenty about … Read more

Parallel sides have the same slope.They will never meet no matter how far the lines are extended.