Question 9 (1 point)
A circle with a radius of 9 inches has an arc that measures 4 inches. Find the measure of the central angle determined by this arc

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

The answer of the above is