Ronald decides he wants to call his three friends: Martha, Deena, and Barbara. He is trying to decide in what order to call them. How many choices does he have?

What is the slope of the line shown below?

What is the value of x in the equation7x+2y=48 when y=3

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.