Las calorías y joules en física son unidades de energía a demás se sabe que una caloría equivale a 21/5 joules

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?

How can you use equivalent fractions to know that 43/200 is between 1/5 and 1/4?

What is the slope of the line that passes through ( 1,4) and (1,-3)