Can someone tell me the answer for this please?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x