Write an explicit formula for a_na n ​ , the n^{\text{th}}n th term of the sequence 17, 20, 23, ...

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

What is the result of adding the system of equations? 2x+y=4 3x-y=6

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?