Explain one way the video added to your understanding of what you’ve learned about black holes so far. Then, explain one new idea you learned from the video.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15