<p>Hey, so I have these two questions that I've been trying to figure out all night. Any help is appreciated.</p>

<ol>

<li>The cube shown above has edges of length 2, and a and b are midpoints of two of the edges. What is the length of line AB.</li>

</ol>

<p>a. Square root of 2

b. Square root of 3

c. Square root of 5

d. Square root of 6

e. Square root of 10</p>

<ol>

<li>Let x be defined as x= x^2-x for all values of x. If a= a-2, what is the value of a?</li>

</ol>

<p>a. 1

b. 1/2

c. 3/2

d. 6/5

e. 3</p>

<p>Please Please Please(3 indicating extreme help) how do I solve these problems?</p>