Eric purchased a box of 72 nails to build a shelf but did not use all of the nails. the ratio of nails he used to the nails he did not use is 7 to 2. how

in 1995, potato plants were taken into space aboard the space shuttle columbia.

step-by-step explanation:

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.