Perform the matrix operation.Let A = 
and B = 
. Find 2A + 3B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A circular pond is being installed in the corner of a yard, as shown. The installer needs to know the value of x in feet. Find x to the nearest tenth of a foot. 
?a = 50 ft
A. 7.6 ft B. 8 ft C. 8.2 ft D. 7.3 ft
Mathematics
Solve the problem.Gloria collected 35 fantail and comet goldfish. There were 3 fewer fantails than comets. How many comets did Gloria have?
A. 32 comets B. 11 comets C. 19 comets D. 16 comets
Mathematics
17.8 ð 10-4 H =
a. 178 mH b. 17.8 mH c. 178 nH d. 1.78 mH e. 1.78 nH
Mathematics
Write the imaginary numbers using the letter i.
A. -11i
B. ±11
C. -i
D. 11i
Mathematics