Agrass playing field is 23 ft by 27 ft. a dirt playing field is 42 ft by 3 ft.

what is the area of the grass field?

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle.sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

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

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?