Asubmarine begin the day to 240 m below sea level. it descended 40 m/h for three hours and then ascended 30 m/hrs. for five hours what was the position of the submarine after the 8 hour time period . measured in meters

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

Analyze the diagram below and complete the instructions that follow. 600413 300 find the value of x and the value of y. a. x-2-2,-8 b. 1-2, y - 4/6 c. x-2-/2, 7-2-6 d. x-2/3, 7-63

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.