If the cube shown has a volume of 1,000 cm3, what is the length of the diagonal, x, of the cube? (rounded to the nearest tenth)

A) 16.6 cm
B) 16.9 cm
C) 17.3 cm
D) 17.8 cm

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.