If a van traveled 400 miles in 8 hours how far could the van travel in 12 hours

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Will mark name all segments skew to bc