Find the positive difference between 2^2^3 and 2^3^2 . Reminder: a^b^c means a^(b^c).

Two lines parallel to a third line are parallel to each other. always sometimes or never

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?