Evaluate the expression according to the order of operations.5 ? 
+ 6 ? 
A. 344
B. 46
C. 10
D. 52
Answer: D
Mathematics
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Answer the question.Is f continuous at x = 4? 
A. No B. Yes
Mathematics
Solve the problem.A home has a living room that is 15 ft wide and 21 ft long. The height is 9 ft. Bob needs to paint the room. He has to paint the walls and the ceiling. (He will not paint the floor.) There are two 3.0 ft by 5.0 ft windows and a 4.0 ft by 7.0 ft opening into the room that will not be painted. A gallon of paint covers 320 ft2. How many gallons of paint are needed? (All data are accurate to two significant figures.)
A. 2.8 gallons B. 3.0 gallons C. 1.8 gallons D. 3.8 gallons
Mathematics
Add.-22.5 + (-15.2)
A. 37.7 B. -37.7 C. -7.3 D. 7.3
Mathematics
Write the complex number in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics