Simplify so that the expression has only positive exponents: 1/2y^(-2) A. 1/y
B. 2y^2
C. y^2/2
D. 2/y

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation:

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.

combine all like terms then its just a 2 step equation