Simplify, if possible, by combining like terms.-2a - 4b - 3a
A. -9ab
B. -5a - 4
C. -5a - 4b
D. -5a - 3b
Answer: C
Mathematics
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Find the angle between the given vectors to the nearest tenth of a degree.u = i + 
j, v = -i - 2j
A. 132.7° B. 174.1° C. 161.6° D. 120.9°
Mathematics
Find the character of the roots.6 - 5a2 = 8a + 7
A. Two different irrational solutions B. Two different imaginary solutions C. Two different rational solutions D. Exactly one rational solution
Mathematics
Find the GCD for the given numbers by an appropriate method.36,518 and 33,573
A. 1 B. 961 C. 361 D. 589
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The length of the critical path from E is
A. 6 hours. B. 2 hours. C. 9 hours. D. 8 hours. E. none of these
Mathematics