Add. Write fractions in simplest form.
11/12+(-7/12)

Why do interests rates on loans to be lower in a weak economy than in a strong one

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

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)