Factor problem completely:

10x^2− 108x + 80
Pls help me

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.