Pls answer thank you

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi