Perform the indicated operation.Subtract (8a5 - 5a4) from the sum of (9a5 + 8a4) and 
A. 29a9
B. 29a18
C. 10a5 + 19a4
D. 10a10 + 19a8
Answer: C
Mathematics
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Make the required change in the given equation.x2 + y2 + z2 = 4 to spherical coordinates
A. ? = 0, ? = 0 B. z = 2 C. ? = 2 D. ? = 4
Mathematics
Prove: Any two right angles are congruent.
?
Use the following drawing. Provide all statements and reasons.
?
Given: Right angles 1 and 2
Prove: 
What will be an ideal response?
Mathematics
Use the Consumer Price Index below to answer the question.
In 1996, the federal minimum hourly wage was $3.50. Convert this to 2000 dollars. If necessary, round values to the nearest cent.
A. $3.84 B. $3.19 C. $3.95 D. $3.30
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.cos (135° + 240°)
A. - 
B. 
C. 
D. - 
Mathematics