Acircle has an area of 100 π square inches. what is the circumference of the circle?
a. 10 π inches
b. 20 π inches
c. 2.5 π inches
d. 5 π inches

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was