If y varies directly as x, and y is 6 when x is 72, what is the value of y when x is 8? 1/9
2/3
54
96

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?