Please help me! I think the answers are the 2 in pink but I'm not sure!

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

In the geometric progression –3, 12, −48… what term is 3,072?

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