The illustration shows a block that is suspended with two ropes, one of which is horizontal. The weight of the block is 
. Which numbered angle in the illustration is acute?
?
?
A. 3
B. 2
C. 1
Answer: B
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Answer the questionHow can the graph of f(x) = 
+ 15 be obtained from the graph of y = 
?
A. By making a horizontal shift of 15 units to the right B. By making a horizontal shift of 15 units to the left C. By making a vertical shift of 15 units down D. By making a vertical shift of 15 units up
Find the partial fraction decomposition.
A. 
+ 
B. 
- 
C. 
+ 
D. 
- 
Solve by any method. If there is not one solution to a system, state why.
x + 
y = -1 x - y = -1
A. (3, -1) B. (-4, -1) C. (-3, -2) D. (-4, -2)
Solve the problem.To get a C in history, Nandan must average 73 on four tests. Scores on the first three tests were 67, 77, and 62. What is the lowest score that Nandan can get on the last test and still receive a C?
A. 70 B. 86 C. 69 D. 13