Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Answer: A
Mathematics
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Find the value of the expression.
A. 
B. 
C. 
D. 
Mathematics
Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x2 + 
x
A. 
; x2 + 
x + 
= 
2
B. 144; x2 + 
x + 144 = (x +12) 2
C. 
; x2 + 
x + 
= 
2
D. 
; x2 + 
x + 
= 
2
Mathematics
Multiply.× 
A. 0 B. 8 C. 0.04 D. 8.005
Mathematics
Find the standard deviation of the probability density function to the nearest hundredth.f(x) = 
; [3, 5]
A. 0.56 B. 0.61 C. 0.54 D. 0.50
Mathematics