Find the product.9a2x4(-2a8x7 + 5x5 + 5a)
A. -18a10x11 + 45a2x9 + 45a3x4
B. -18a10x11 + 45a3x9 + 5a
C. -18a8x7 + 45x5 + 45a
D. -18a10x11 + 5x5 + 5a
Answer: A
Mathematics
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Write the complex number in polar form.-3 + 3j
A. -3(cos (-45.26°) + j sin (-45.26°))
B. 
(cos (-45.26°) + j sin (-45.26°))
C. 
(cos (-45.26°) + j sin (-45.26°))
D. (cos (-45.26°) + j sin (-45.26°))
Mathematics
Divide, if possible. Write the answer in simplest form.49 ÷ 1
A. 33
B. 36
C. 34
D. 35
Mathematics
Perform the indicated operation and write the answer in lowest terms. - 
+ 
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.A rectangular space of 252 square feet is allocated for the living and dining areas in an apartment. Find the width of the square living area given that the width of the dining area is 
A. 21 ft B. 14 ft C. 11 ft D. 12 ft
Mathematics