3. In rectangle ABCD, AB 1 AD and AD is contained in the line
y = -x + 10.
e. What is the slope of the line containing AB? Briefly explain how you got your answer.
f.
Write an equation in point-slope form of the line that contains AB if B is located at (1,-5).
Show your work to justify your answer.

What is the value of x in the equation7x+2y=48 when y=3

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm

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