Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

What is (28 + 7 + 6 + 3) x 1/2 show your work

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?