Mr Flores opened an account with a deposit of 5000. The account earned annual simple interest. He did not make any additional deposits or withdrawals. At the end of 4 years, the balance of the account was 6500 what is the annual interest rate on this account.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?