11 less than three times a number is the same as 75 less than the product of -1 and the number. Find the value of the number.

Which act of the conquistador pizarro was crucial in overthrowing the inca? a. the destruction of the ancient inca city, machu picchu b. the siege of the inca capital near the cuzco valley c. the execution of the last inca ruler, atahualpa d. the unexpected deaths of 3 million inca warriors e. the murder of former inca emperor, huascar

Which of the following was probably the most difficult challenge facing construction of the railroad?

Which of the following was a bold new idea expressed in the declaration of indenpendnce?