4. The temperature of a sample of a fluid that is being heated in a laboratory is given by h(t) = 30t − t^2 degrees Celsius, where t is measured in minutes and 0 ≤ t ≤ 5. Find the equation of the tangent line to h(t) at t = 3.

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

How can (square root of 25) ^2 be rewritten?