Describe and justify the methods you use to solve the quadratic equations in part A and B. Part A select and use the most direct method to solve 2x (x + 1.5)= -1
Part B- solve this equation using the most direct method 3x (x + 6) = -10​

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

How can you find the mean absolute deviation (mad) for this set of data?

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