Mr Chua borrows a sum of money from the bank which charges a compound interest of 4.2% per annum compounded quarterly. Given that he had to pay $96.6 in interest payments at the end of the first year, find the principal

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.