Alan, betty, and carol invested in a corporation in the ratio of 4: 5: 6 respectively. if they divide the profit of $31,500 proportionally to their investment, how much will each receive?

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it. bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?