2. f(x) = 5x 25x² + 3x²-15x²-2x+10

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

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 drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points