If n>0 and 9xsquared + kx + 36= (3x + n)squared, for all x, what is k-n?
another question i needed to check is this one:
A family of five adults and two children are trying to cross a river. They have a lifeboat which can ONLY carry one of the following:
A) One Child
B) Two Children
C) One Adult
The boat may not carry two adults or a child and a adult
How many one-way trips for the entire family to cross the river.
How many one-way trips are required for a family of 1000 adults and two children
someone plz answer im a newbie so someone help me plz