What was the name of the treatise in which Euclid compiles all the existing geometric knowledge, along with some of his own observations, to provide a logical structure and progression for geometry?

Solve the inequality and graph 6j - 7 < 5

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

What is the difference between the equations of a vertical and a horizontal line?