Stella ran her first half marathon in 2.7 hours. By how many hours must Steila reduce her time to run her next half marathon in fewer than
2.3 hours? Write and solve an inequality to represent the situation

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247

Connor took out a 4-year loan to buy a car at a 4% simple interest rate. if he has to pay $240 in interest, how much principal did he borrow?