Which of the following is a solution of x^2 − 10x = −36? A. -5 - i srt.10

B. 5 + i sqt.61

C. -5-i srt. 11

D. 5+i srt. 11

I'm confused on this could anyone me and show me what i need to do to solve it.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels