📘 algebra, physics

1. **Problem Statement:** (a)(i) Express velocity $V$ as the subject of the formula $E = \frac{mv^2}{2} + mgh$.

1. **Problem 218:** A two-digit positive integer has digits $a$ and $b$, so the number is $10a + b$. 2. When digits are reversed, the number becomes $10b + a$.

1. Problem 1: A businesswoman paid 800000 for ten goats. She sold six goats at 110000 each. Calculate the price to sell each of the remaining goats to make a 25% profit. 2. Calcula

1. Problem (a): Write an expression for $y$ in terms of $x$. Since the problem context is missing, assume $y$ is a function of $x$ related to the garden and path. Without additiona