Find the surface area of this triangular prism 18cm 30cm 24 cm 7cm

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.