Simplify.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.An electrician is working on a project for which she will need to run straight conduit pipe for lengths of 20 feet, 70 feet, and 140 feet. She wants to precut pieces of pipe to one standard length so that she can connect the pieces to obtain the three lengths she needs. What is the longest length that she can make the precut pieces?
A. 8 ft. B. 5 ft. C. 12 ft. D. 10 ft.
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). By using linear regression, the following function is obtained: 
where x is the cost of advertising (in thousands of dollars) and y is number of products sold (in thousands). Use this function to predict the number of products sold if the cost of advertising is $5000.
A. 66.75 B. 76.45 C. 66 D. 14,005.8
Evaluate the expression. ? |-27| ?
A. -27 B. 54 C. 27 D. -25 E. -28
Provide missing statements and missing reasons for the proof of the theorem,“If two sides of a triangle are congruent, then the angles opposite those sides arealso congruent.”Given: 
with 
Prove: 
S1. R1.S2. Draw the angle bisector for 
R2. Every angle has exactly one angle-bisector.S3. 
R3.S4. R4.
What will be an ideal response?