Type the correct answer in the box. Use numerals instead of words. What is the value of this expression? Log2 8 + log3(1/3)

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?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.