What number should go into the blank so that the two expressions are equivalent to each other? (Use only the digits 0 - 9 to write the number.) p + p + 20 + p + p + p + 7 + p = __(2p + 9)

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?

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

Can some one explain this i got sent this. is this a threat i’m scared