Question 9 O Mark this question Alex earns $18 per hour at his job as a store clerk and is paid monthly. He worked 140 hours this month. His most recent paycheck includes the following deductions: FICA $180.00 Federal income tax $215.00 State income tax $62.00 Health insurance $72.89 Retirement savings $50.00 Considering his deductions, what percentage of his gross pay did Alex take home? O 76.99% O 81.15% O 80.89% O 78.13%\fSuppose $28,000 is deposited into an account paying 5.25% interest, which is compounded continuously. How much money will be in the account after 4 years if no withdrawals or additional deposits are made? O $36,721.16 O $34,542.99 O $32,748.23 O $30,904.77Mark this ques Question 12 If $30,000 is invested at 5% annual interest compounded monthly, how long would it take for the account balance to reach $90,000? Round your answer to the nearest tenth. O 20.5 years O 19.4 years O 21.7 years 22.0 yearsQuestion 15 O Mark this question A track coach uses a stopwatch to record how fast his star runner completes a 1500-meter race. At the first track meet, he records a time of 260 seconds. At the next track meet, he records a time of 255 seconds. What is the relative change in his star runner's 1500-meter race time? O -1.96% O -1.92% O 1.96% O 1.92%