The radius of the red circle is 7 units and the distance between the two circles is 3 units. What is the diameter of the red circle?
A 8 units
B 12 units
C 14 units
D 20 units

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i