Help i will give ten points

Here is another math questions. i will keep asking different questions. 4^2x=6

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2

Using the given information, solve for x. what is the length of ab? what is the length of rs? a) x = 2; ab = 4; rs = 8 b) x = 6; ab = 8; rs = 16 c) x = 4; ab = 6; rs = 12 d) x = 8; ab = 10; rs = 20