The lowest point in Egypt in Quattara Depression at ⅘ km below sea level. The highest point in the country is Mount Catherine, which is 6/8 km above sea level. Determine the difference between the lowest point and highest point in Egypt. PLEASE ANSWER

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.