Perform the indicated operation. Write the result in the form a + bi.(7 - 7i) + (5 + 9i)
A. -12 - 2i
B. 12 + 2i
C. 2 + 16i
D. 12 - 2i
Answer: B
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Find the limit or state that it does not exist.
4x
A. 0 B. 4 C. 1 D. Does not exist
Graph the equation.
- 
= 1
A. 
B. 
C. 
D. 
Solve the problem.A developer wants to build 10 houses each of a different design. In how many ways can she decide which houses will be on the north side of the street and which on the south side if 3 of the 10 houses are to be on the north side and the remainder on the south side?
A. 1000 B. 6 C. 720 D. 120
Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA projectile is fired with an initial speed of 515 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round your answer to the nearest tenth.
A. 27,063.8 m B. 6765.9 m C. 74.3 m D. 66,306.3 m