Decide whether the statement is always true, sometimes true, or never true.The sum of a negative number and a positive number is positive.
A. Never true
B. Sometimes true
C. Always true
Answer: B
Mathematics
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Find the area of the surface. The part of the surface z = 36 - x² - y² that lies above the xy-plane.
What will be an ideal response?
Mathematics
Divide. Simplify, if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
Mathematics
Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 9, c = 
; find tan A.
A. 
B. 
C. 
D. 
Mathematics