Cuál es el resultado de -4/5 - (-3) -2/3? -4/5 - (-3) -2/3
-4/5 + 3 -2/3 (3×3=9-2=7)
-4/5 + 7/3 = -12/5

Lo que pido es que me expliquen como salió la última parte del ejercició la que esta antes de la respuesta final. Se los agradecería mucho si se toman ese tiempo de explícarmelo !gracias por su atención!​

Which of the following statement about pascal's triangle are true?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.