Decide whether the statement is true or false.If two lines are perpendicular, then they form vertical angles at their intersection which are always acute.
A. True
B. False
Answer: B
Mathematics
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Divide and simplify.
÷ 
A. z + 10
B. 
C. 
D. 
Mathematics
Approximate the limit accurate to three decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find k such that the function is a probability density function over the given interval. Then write the probability density function.f(x) = kx; [0, 5]
A. 
; f(x) = 
x
B. 
; f(x) = 
x
C. 
; f(x) = 
x
D. 
; f(x) = 
x
Mathematics
Factor the binomial completely.216 + z3
A. (z - 6)(z2 + 6z + 36) B. (z + 6)(z2 - 6z + 36) C. (z + 6)(z2 + 36) D. (z - 216)(z2 - 1)
Mathematics