Insert parentheses to make these equalities correct.
8.4-3+1=28

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base