Find d2y/dx2 in terms of x and y. y5 = x7

Sam buys 20 boxes of oranges. There are 25 oranges in each box. Each box of oranges costs £7. Sam sells 2/5 of the oranges he brought. He sells each of these oranges for 40p. He then sells all of the remaining oranges at 3 oranges for 50p.

The profit you make selling flowers at 1.50 each when each flower costs you. 80. write a fiction rule to describe each statement

You are considering two brands of spaghetti noodles. The first brand weighs 1.5 lb and costs $2.30. The second brand weighs 2 lb and costs $3.30. Which brand is the better deal per pound? A Brand 1 is the better deal. B Brand 2 is the better deal.

What's is the lcm of 3, 9 and 18

Leah has 28 more marbles than Dan. 1/3 of Leah's marbles is equal in number to 4/5 of Dan's marbles. Find the number of marbles that Leah has.

2x + 4 = 2 (x + 2) What is x?

What does nth mean in a sequence?

In which range (s) does 75% of the data lie? Check all of the boxes that apply. 81 minutes and 109 minutes 81 minutes and 126 minutes 95 minutes and 138 minutes 109 minutes and 126 minutes

Picking up a hot coal is wich type of heat transfer A. conduction B. convention C. transmission D. radiation

Given that ƒ (x) = x² + 4x, evaluate ƒ (-2). -4 -8 -12