Determine whether the following sets of ordered pairs represent functions or) (-7,4),(-8,3),(-7,7),(-20,8),(5,9), (3,1),(2,6)}

step-by-step explanation:

options

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).