A $10,000 loan is to be repaid with 7 equal half-yearly instalments, the first repayment being in 6 months from today. Interest is at 7%p. a. compounding half-yearly. Calculate the principal
repaid in the fourth instalment.
(use excel)

Can anyone me with 32,33,36,37,and 40.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.