What is 2x - 4 5x - 19?

What other early civilizations knew about and used the Pythagorean Theorem? Which is more valuable a pile of pennies equaling your weight or a stack of quarters equaling your height? What is the x and y intercept of the linear function 2x 3y equals 12? Can two nonzero vectors give zero resultant when they multiply with each other if yes give condition for same? Is 200 cm greater or is 3.70 m? Estimate. Then find the product.27×9? What is 276 divided by 4? When is the mechanical advantage greater than one? Convert 23.0 degrees Celsius to Fahrenheit? What is true about koan? What is a lowest 5 digit number? How many times does 25 go into 25? Would you use a 1-meter contour interval or a 5-meter contour interval? What shape has 2 pairs of parallel sides and 4 congruent sides? What is the number 100000000000000000000000000000000000000000000000? How many squares can you make with twelve matches? How big is sf? What is the gcf of 8 and 24 and also 40? What shape is a triangle with 2 equal sides but no right angles? What is the number the books in the Old Testament?