A MiniBicycle wheel has a Radius of 10inches. What is the circumference ?

What is the slope of a line that is perpendicular to y = 3x + 1

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?