PLEASE HELLLPPP!!
The average salary for a real estate agent is $41,990 per year. A pilot makes on average $98,410. If you consider the earning potential of both over a 30 year period, what is the difference between the real estate agent's earnings as compared to the pilot's wages?

$56,420

$1,692,600

$1,161,290

$2,910,310

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.