Out of 20 fields of crops only 12 will wheat. what percentage of crops will wheat

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum