exam Maths Puzzle Numerical Ability

3b-1<-7 or 4b+1>9

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exam Other Question

IF I Think about a real-life situation that follows variable being years. What would the slope tell me about future years? Please help solve the following problem:
Find the exact, rationalized value of tan 105 degrees.
The answer choices are:
1. -2 - sqrt3
2. (-1/2) + sqrt3
3. (sqrt3 - 1)/(1 + sqr