If a segment of the Mid-Atlantic Ridge spreads 927 km over a span of 71 million years, what is the rate of the spreading in one year? (Convert your answer to centimeters per year (cm/yr). 1km = 100,000 cm. Round it to the
nearest hundredth.)​

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

What is the value of x in the equation 2(x-4) = 4(2x + 1)?