Monica wants to invest $8000 in a savings account that pays 7.2% simple interest. How long will it take for this investment to double in value? Round your answer to the nearest tenth.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

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?