Solve the system of equations by substitution, if a solution exists.
A. x = 3, y = 6
B. x = 4, y = 5
C. No solution
D. x = -4, y = 6
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.Find the area of the work space for a robotic arm that can rotate between -30° and 45° and can change its length from 6 inches to 21 inches. Round to one decimal place.
A. 47,712.9 in.2 B. 530.1 in.2 C. 265.1 in.2 D. 9.8 in.2
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations.180.82 ÷ 8.1 (Round to the nearest hundredth.)
A. 2.28 B. 2.23 C. 22.82 D. 22.32
Mathematics