O quadrado menos o dobro de um número é igual a -1 calcule esse número

What is the volume of this square pyramid?

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?