mara owes her brother 65$. She then borrows another $30 dollars from him. What addition expression and solution represents the amount she now owes her brother

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?

Each side length of the hexagons is 1, what’s the area of abc