For f(x)=3x+1 and g(x)=x^2-6 Find (f g)(x)

There's a symbol in-between of f and g, and I'm not sure what it is. (Shown in picture)

What is the slope of the equation y =

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?