Answer:40
Step-by-step explanation:
Step-by-step explanation: use a ruler measure 5 in on the bottom or top of the triangle and 8 in on the top or bottom the try to connect it with the ruler than see how many inches it is when it connects.
Answer:
yes
25x² - 40xy + 16y² can be factored as
(5x - 4y)² ← a perfect square
True
X+11=18
subtract 11 from both sides
18-11=7
x=7
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