Which expression is equivalent to the expression shown? exponent: 3 -3 a. -27 b.27 c. -1/27 d. 1/27

Find the given elements if matrix d:

For the equations below which statement is true ?

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?