Evaluate the expression.
2
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Factor the trinomial, or state that the trinomial is prime.a2 + 3a - 28
A. prime B. (a - 4)(a + 7) C. (a + 4)(a + 1) D. (a + 4)(a + 7)
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Graph the sinusoidal function.y = -3 sin (?x)
A. 
B. 
C. 
D. 
Mathematics
Write as a proportion.96 computers is to 160 students as 108 computers is to 180 students.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Estimate 
of the function 
.
?
A. 20 B. 17 C. 14 D. 16 E. 18
Mathematics