A man buys a goat for $60

Then he sells it for $70

Then he buys it back at $80, but he sells it again for $90.

How much money did he make?

Suppose a and b vary inversely, and b = 8 when a = 6. Write a function that models the variation and find b when a = 30. Explain your answer.

There are a total of 12 sugar plum fairies. Nine of the fairies will wear white tutus and the rest will wear pink tutus. Six of the fairies have dark hair AND will wear white tutus.

1,2,4,8___128 what's between 8: 128

50 percent of 620 written as a percent

Jody has 2 red marbles, 7 blue marbles, and 8 yellow marbles. What is the ratio of red marbles to blue marbles? A. 17:2 B. 2:7 C. 7:2 D. 2:17

Solve 1/3 x = - 4/5?

What is the volume of an aquarium that is 2 yards wide, 1.5 yards deep, and 1 1/3 yard long?

g a. A 99% confidence level and a sample of 24 observations. 2.807 2.807 Correct b. A 90% confidence level and a sample of 24 observations. 1.714 1.714 Correct c. A 99% confidence level and a sample of 20 observations. 2.845 2.845 Incorrect d.

Rate of proportionality for (-2,4) and (-1,1)

Write the number in standard form 4,00+300+20+9