HELP PLEASE The prince David ship headed south at an average speed of 20mph. Later the Prince Albert traveled north with an average speed of 20 mph. After the prime David ship has traveled for eight hours the ships were 280 mi apart. How many hours did the prime David ship travel.

Add the fractions and simplify 1/2+ 1/3

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?