During a trail race, a runner is moving at a velocity of 5 meters per second north. He comes to a hill and begins to slow down uniformly for 5 seconds until he is running at 1 meter per second north. What is the acceleration of the runner during these 5 seconds?

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?