According to Chebyshev's Inequality, what percent of data fall within 1.8 standard deviations, if we have a Kia vehicle fuel efficiency of 24 MPG with a standar deviation of 3.8 MPG? Please show the process of how to find it out.

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]