If f (1)=9 and f (n)=-2f(n-1)-1 then find the value of f (4)

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?