Below there are 3 questions please answer them all please provide the question number next to the answer

et Question 16) Starting six months after her grandson Robin's birth, Mrs. Devine made deposits of $240 into a trust fund every six months until Robin was eighteen years old. The trust fund provides for equal withdrawals at the end of each six months for four years, beginning six months after the last deposit. If interest is 5.09% compounded semi-annually, how much will Robin receive every six months? : Robin will receive $ Question 17) Luoxana contributed $2,500.00 every six months into an RRSP for 25 years. What nominal annual rate of interest will the RRSP earn if the balance in Luoxana's account just after she made her last contribution was $500,000.00? The nominal annual rate of interest is % compounded semi-annually Question 18) Property worth $110,900.00 can be purchased for 12% down and mortgage payments of $2450.00 at the end of each quarter for 15 years. What is the nominal annual rate of interest compounded quarterly? The nominal annual rate of interest compounded quarterly is %