The submarine descended 500 ft. It then increased 240 towards sea level. Where is the submarine now? Answer choices
-270
-260
250
-240

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)