It is best to use mental math with some equations (5x5 or something that is easy enough that work does not have to be shown 10 dived by 5
Because accepting credit cards cost the business small transaction fees. These businesses already have a paper thin profit margin, meaning if you buy less than $10 and use credit card, their profit is little to non-existent.
The least number of socks that rob can remove to guarantee he removed a pair of white socks without looking is15 socks
When reflecting about the y axis, you x coordinate changes sign, so your answer would be D) (-2;-4)
The second answer is D) (the bottom right one)
