Which of the following expressions is incorrect? 1-12 = 12
1121 = 12
-1-121 = -12
-1121 = 12

Write the pair of fractions as a pair of fractions with a common denominator

Nicole purchased a container of cashews that weighs 5 kilograms. zion purchased a container of cashews that weighs 4,900 grams. how many more grams of cashews did nicole purchase?

Given abc find the values of x and y. in your final answer, include all of your calculations.