Add or subtract as indicated. Write the answer in simplest form.- 
- 
A. 1
B. - 
C. - 
D. -1
Answer: D
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Solve the problem.A student must choose 1 of 5 mathematics electives, 1 of 7 science electives, and 1 of 5 programming electives. How many possible course selections are there?
A. 17 course selections B. 35 course selections C. 350 course selections D. 175 course selections
Find the standard form of the equation of the ellipse with the following characteristics.
?
foci: 
, major axis of length: 16
?
A. 
B. 
C. 
D. 
E. 
Answer the question.Why is the answer (x2 - 225)(x2 + 225) not the correct answer to the instruction "Factor (x4 - 50,625) completely"?
What will be an ideal response?
Passengers enter an elevator of a building. The elevator moves 
floors, stops, moves 
Roman|11|#000000|False|False|False{{{|}}}mathml|CONTAINER_ID_FIELDCogneroEndAlgorithmData&varname=IMPVAR%5F9dbb03296c674c78bfb788510&varid=VARIABLE_ESCAPED_ID_FIELD&rnd=3e918a064c6743978547d6a7871664ed" style="vertical-align:-4px;" varid="VARIABLE_ID_FIELD" variablename="IMPVAR_9dbb03296c674c78bfb788510" class="Wirisformula" /> floors, stops, and then moves 
floors and stops. The elevator is now 
floors from the 
floor. Find the number of floors in building when the passengers enter the elevator on 
floor.
A.
B.
C.
D.
