Perform the operation and write the result in the standard form.(-8 - 7i) + (13 + 4i)
A. 5 + 3i
B. 13 + 3i
C. 5 - 3i
D. 13 - 3i
Answer: C
Mathematics
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Solve the problem.Let D be the smaller cap cut from a solid ball of radius 10 units by a plane 7 units from the center of the sphere. Set up the triple integral for the volume of D in rectangular coordinates.
A. 
B. 
C. 
D. 
Mathematics
Subtract.89,968
A. 89,623 B. 88,613 C. 88,623 D. 88,533
Mathematics
Simplify the expression. Include absolute value bars where necessary.
A. 
B. 9
C. (-9)3
D. -9
Mathematics
Solve the problem. Round your answer to the nearest cent.Sumi Kato's savings account has a balance of $1365. After 7 years what will the amount of interest be at 3.5% compounded annually?
A. $371.69 B. $377.69 C. $955.50 D. $360.69
Mathematics