The cost of a postage is determined by the following step function: how much would a package that weighs 3 ounces cost, in cents? a) 45 b) 44 c) 43 d) 42

I think its C) 43. Let me know what you get

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk