Show algebraically that the product of two consecutive numbers is always even.

What ia the sum if the first 7 terms of the geometric series

Care repairs are less than or equal to $500

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?