The average human walks 2.5 miles in an hour. How long would it take to walk across the crater? The rover travels at .1 miles an hour. How long would it take to drive around the edge of the crater?

15 points ! ~ see if you know the answer to both you!

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

What is the area of the shaded sector?