If a and b are integers, which describes a fraction a/b

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

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew