Find the 2 × 2 matrix C such that AC = B, where A = 
and B = 
.
What will be an ideal response?
C = 
Mathematics
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A school board has determined that there should be 3 teachers for every 60 students. How many teachers are needed for an enrollment of 3,180 students?
A. 134 teachers B. 170 teachers C. 159 teachers D. 175 teachers E. 216 teachers
Mathematics
Use a proportion to solve the problem.The ratio of the width to the length of a picture frame is 8 to 13. If the width of the frame is 14 inches, what is its length?
A. 27 inches B. 22 inches C. 8.6 inches D. 22.75 inches
Mathematics
Write using radical notation. Then, simplify, if possible.(144y10)1/2
A. 
B. 12
C. 12y5
D. 12y10
Mathematics
Write the complex number in standard form.
?
?
?
A. ?-0.01i B. ??-0.0001i C. ?3.01i D. ?0.01i E. ?0.0001i
Mathematics