Perform the necessary operations.2 + (-1) - (-7) + 1
A. -5
B. -3
C. 7
D. 9
Answer: D
Mathematics
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Solve the problem.From a thin piece of cardboard 30 in. by 30 in., square corners are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume? Round to the nearest tenth, if necessary.
A. 20 in. × 20 in. × 10 in.; 4,000 in3 B. 10 in. × 10 in. × 10 in.; 1,000 in3 C. 20 in. × 20 in. × 5 in.; 2,000 in3 D. 15 in. × 15 in. × 7.5 in.; 1,687.5 in3
Mathematics
Evaluate the definite integral.
A. ln 2
B. ln 
C. ln 
D. 
Mathematics
Find the LCD of the list of fractions.
, 
A. 10 B. 100 C. 900 D. 90
Mathematics
Use synthetic division to find the quotient and remainder.(x3 - 1) ÷ (x - 1)
A. x3 + x2 + x + 1
B. x2 + x + 1 + 
C. x2 + x + 1
D. x3 + x2 + x + 1 + 
Mathematics