Which three mathematical achievements were made during the gupta dynasty? 1. the calculation of the value of pi 2. the recognition of prime numbers 3. the idea of zero as part of a system of numbers 4. the creation of the pythagorean formula 5. the creation of arabic numerals there is more than one option in this answer so don't just say one option as the answer

1. The calculation of the value of pi.  

3. The idea of zero as part of a system of numbers.

5. The creation of Arabic numerals .

Explanation:

The Navaratnas or Nine Jewels were a group of nine scholars who produced advancements on many academic fields during the Gupta Dynasty. One of these scholars was Aryabhata, who is believed to have envisioned the concept of zero as part of a numerical system. He is know for also working on the approximation for the long-form number Pi.

Other scholars of the Golden Age helped create the first Indian numeral systems with a base of ten (Arabic numerals).

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the assassination of president lincoln was just one part of a larger plot to decapitate the federal government of the u.s. after the civil war. the first reaction to lincoln’s death was disbelief. then it quickly changed to grief. abraham lincoln’s death created an outpouring of grief from citizens in both the north and the south.

explanation:

lincoln was the first u.s. president to be assassinated. president abraham lincoln, america’s civil war leader, was assassinated just five days after confederate general robert e. lee surrendered his army at appomattox court house, ending the four-year war between the states. on the evening of april 14, 1865, lincoln was attending a performance of our american cousin at ford’s theatre in washington, d.c. john wilkes booth – a 26-year old actor, confederate sympathizer, and white supremacist – slipped into the presidential box and shot lincoln in the head. john wilkes booth and his conspirators had initially planned to kidnap lincoln to save the confederate states. but as the confederacy faltered, booth’s thoughts turned to murder. booth may have decided to act on his hatred after lincoln endorsed giving the right to vote to african-american men who had served in the union army.