Assume that y varies inversely with x and that y is 2 when x is 4. Which of the following is the equation of inverse variation?

y = 2x

xy = 8

y/x = 2

Thirty pounds of a salt-water solution contains fifteen percent salt. How much water must be added to weaken the solution to ten percent salt?

Estimate the quotient 338.7:49

What is three and one third divided by two aand one third?

The number of fish (f) in a fish tamk increases when the number of plants (p) increases. Write the correct equation for this scenario, and solve for the number of fish when the number of plants is 3. Graph: 15 plants to 6 fish 20 plants to 8 fish. A.

How do you even solve these? Enter the equation of the circle described below. Center (3, - 2), radius = 5

What number is 115% of 73.8?

At 12 pm there are 5 cells at 1 pm there are 10 cells at 2 pm there are 20 cells and at 3 pm there are 40 cells. how many cells will there be at 7 pm if the pattern continues?

Can the numbers 24, 32, 40 be the lengths of the three sides of a right triangle? Explain why or why not.

The members of a knitting club are buying supplies for their next meeting. For the club, they need to buy a new patterns book for $3.50. For each member, they need to buy a set of knitting needles for $3.20 and a ball of yarn for $5.40.

If we multiply every observation in a data set by 2, the mean will