Solve the equation by the method of your choice. Simplify irrational solutions, if possible.x2 - 5x = 0
A. {5, 0}
B. {0, -5}
C. {±
}
D. 
Answer: A
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Perform the operation and give the answer as a fraction in lowest terms.- 
- 
A. - 
B. - 
C. - 
D. - 
Simplify the expression. Write the result using positive exponents only.(z7x7)-3
A. z10x10
B. 
C. z4x4
D. 
Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 
A. continuous for all real numbers except x = 2 B. continuous for all real numbers except x = -2 and x = 2 C. continuous for all real numbers D. continuous for all real numbers except x = -2, x = 2 and x = 1
Solve the problem.Julia, who is 1.51 m tall, wishes to find the height of a tree. She walks 22.63 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. She is now 7.52 m from the end of the shadows. How tall is the tree? Round to the nearest hundredth.
A. 0.50 m B. 2.26 m C. 4.54 m D. 6.05 m