Gretchen made this table to show the side lengths and perimeters of these figures.
What mistake, if any, did Gretchen make?
Tyrese had 436 baseball cards. He sold some of the baseball cards and then had 87 baseball cards left.
Which TWO equations could NOT be used to find the number of baseball cards Tyrese sold?
The table shows the weights of four elephants.
Which comparison of these weights is true?