Find the second derivative of xy + y^2 = 1.

The first derivative is - y (x + 2y) ^ (-1).

All the prime numbers between 20 and 30

Chetan and his 5 siblings buy a present for their mother on Mother's Day. As the eldest brother, he pays 0.2 of the cost of the present. The rest of the siblings share the balance equally. Each sibling pays $9.50 less than Chetan.

What is this math problem? g (x) = 1/20x (x-100)

What are some equations that equals 15

In standard form the y intercept is

What is the r value of the following geometric sequence? 2, 6, 18, 54, ...

A taxi ride costs $3 plus $2.50 per mile. Write and graph an equation in two variables that represents the total cost of a taxi ride. Let mm represent number of miles and cc represent the total cost (in dollars) of the taxi ride.

If a Roadrunner ran 80 miles and 4 hours, how long will it take the Roadrunner to run 60 miles? Explain or show how you determined this.

How tall is now that is 10 meters in length and 5 meters in width

Priya looks at the inequalities 12-X>5 and says " I subtract a number from 12 and wants a result that is bigger than 5. That means that the solutions should be values of x that are smaller than something.