Kahneman et al. (1990) randomly chose half the students in a classroom to receive a pen; they asked those without a pen how much they would pay for one, and those with a pen how much they would sell it for. The results provided evidence for the:

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?