Determine whether the side lengths of a roof beam from a right triangle by placing them in an appropriate column right triangles non right triangles 6.5,3.2,7.8 , 12,13,20 , 5,squared 50,5 , 0.75,1.25,1 , 18,80,82 , squared 2, squared 3,4

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Find the commission on a $590.00 sale if the commission is 15%.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)