Each year, Francesca earns a salary that is 2% higher than her previous year's salary. In her first 5 years at this job, she earned a total of $187,34 . What was Francesca's salary in her 1st year at this job?

Which statements about these triangles is true

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

If the discriminant if a quadratic equation is 4 which statement describes the roots?