Perform the indicated operation and simplify. Write the answer in the form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Answer: B
Mathematics
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In the figure below, R = 27 Kê and XC = 39 Kê. Find Z.
a. 40.7 Kê
b. 47.4 Kê
c. 51.3 Kê
d. 68.5 Kê
e. 83.3 Kê
Mathematics
Factor completely, or state that the polynomial is prime.5x2 - 40
A. 5(x + 8)(x - 8) B. 5(x - 8)2 C. prime D. 5(x2 - 8)
Mathematics
Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 5.0 ft high and meets the ground at a point 9.0 ft from the base of the pole. If the point is 67 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 335 ft B. 4 ft C. 37 ft D. 3015 ft
Mathematics
Do the problem mentally using the distributive property.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics