What kind of monarch is the king of saudi arabia, who has great power in the exercise of government?

Leah deposited $50,000 in the bank. three years later, she borrowed $40,000 for a new truck. from this description, which is the most accurate statement?

During the age of imperialism, suez canal connected which two bodies of water?

Ihonestly don't know how to revise, like i'm struggling so much to remember things and i really don't know what to do at this rate. does anyone have any advice? especially with american history, i've got 5 topics in this section.