Find the circumference of the following circle. 5 mm

O 13.14 mm
O 30 mm
O 15.7 mm
O 31.4 mm

Multiplying an even number of negative numbers gives an answer that is choose from:

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so