Kelvan spent 10 hours doing homework last week. This week he spent 15 hours doing homework. He says that he spent 150% more time doing homework this week. Is he correct? Show your work to justify your decision.

What is the slope of the line passing through the points (3, 3) and (5, 7) ? 1. 2 2. 1/2 3. −2 4. −1/2

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)

Each side length of the hexagons is 1, what’s the area of abc