NEED HELP TO SOLVE PLEASE SEE ATTACHED

*PLEASE ANSWER EVERYTHING*

IQs The IQ (intelligence quotient) of a person whose mental age is m years and whose chronological age is c years is defined as f(m, c) = 10om C What is the IQ of a 2-year-old child who has a mental age of 1.5 years? (Round your answer to the nearest whole number.) Home Mortgages Suppose a home buyer secures a bank loan of A dollars to purchase a house. If the interest rate charged is r/year compounded monthly and the loan is to be amortized in t years, then the principal repayment at the end of / months is given by the following formula. B = f(A, r, t, i) (1 + 72 ) - 1 (osis 12t) (1 + 12) Suppose the Blakelys borrow a sum of $260,000 from a bank to help finance the purchase of a house and the bank charges interest at a rate of 7%/year. If the Blakelys agree to repay the loan in equal installments over 30 years, how much will they owe the bank (in dollars) after the 60th payment (5 years)? The 240th payment (20 years)? (Round your answers to two decimal places.) amount owed after the 60th payment amount owed after the 240th payment