It is given that the triangle is isosceles right triangle . And in an isosceles right triangle the legs are equal . Let each leg be of x units. Now we use pythagorean identity, which is





So the length of each leg is 
No, Alex is wrong. The correct expanded form would be 100+60+5+.03+.008
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Answer:
For question 9, the answer is B. This is because for first step, she should have done:
8(n+20) = (8*n) + (8*20)
Step-by-step explanation: