What is unit 1 algebra basics homework 10 answer key

Which of the following of the following sets of side lengths could not form a triangle?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points