Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Answer: C
Mathematics
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Use a calculator to find the value of y in degrees rounded to two decimal places.y = tan-1 (-3.556)
A. 105.71° B. -74.29° C. 285.71° D. -22.63°
Mathematics
Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - 
x
A. x2 - 
x + 
= 
2
B. x2 - 
x + 
= 
2
C. x2 - 
x + 
= 
2
D. x2 - 
x + 
= 
2
Mathematics
Evaluate the expression by hand.10244/5
A. 256 B. 65,536 C. 262,144 D. 16,384
Mathematics
Simplify.[47 + (-7)] ÷ (-5)
A. 
B. 35
C. -8
D. 8
Mathematics