Perform the operation indicated. Simplify.
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A. 
B. 
C. - 
D. - 
Answer: A
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Simplify the algebraic expression.-7(4x + 5) + 8(8x + 8)
A. -3x - 2 B. 36x + 29 C. 36x + 5 D. -63x
Graph the parabola.y2 = 5x
A. 
B. 
C. 
D. 
Find the center-radius form for the circle having the given endpoints of a diameter.(-1, 9) and (3, 3)
A. (x + 1)2 + (y + 6)2 = 26 B. (x - 1)2 + (y - 6)2 = 26 C. (x - 1)2 + (y - 6)2 = 13 D. (x + 1)2 + (y + 6)2 = 13
Solve the problem.A rat is placed at random in one of five compartments in a maze. Compartments 1, 2, and 5 have food; so the rat will remain at any of these once reached. If the rat is placed in compartment 4, what is the expected number of times it will be in compartment 4 before it finds food? Round your answer to the nearest hundredth. 1 2 345
A. 1.26 B. 1.23 C. 0.21 D. 0.31