Use the figure in following problem
Find the measure of angle 2.
(a) 50° (b) 60° (c) 70° (d) 110°
(c) 70°
Mathematics
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Answer the question.How can the graph of f(x) = -9|x| be obtained from the graph of 
A. Stretch it vertically by multiplying each y-coordinate by -9. Reflect it across the x axis. B. Stretch it vertically by multiplying each y-coordinate by -9. Reflect it across the y axis. C. Stretch it vertically by multiplying each y-coordinate by 9. Reflect it across the x axis. D. Stretch it vertically by multiplying each y-coordinate by 9. Reflect it across the y axis.
Mathematics
Complete the indicated row operation.Replace R1 in 
with 
R1.
A. 
B. 
C. 
D. 
Mathematics
Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Subtract.57 - 32
A. 45 B. 89 C. 25 D. 21
Mathematics