Which of the following is NOT a benefit of swimming? A.
joints supported in water
B.
full-body exercise
C.
good exercise for cross-training
D.
burn less than 400 calories per hour

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)

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.