Rewrite the given expression using an appropriate variable. Use the first letter of the given word as the variable.3 ÷ (Length)
A. 3 ÷ L
B. 3 - L
C. L ÷ 3
D. 3 ? L
Answer: A
Mathematics
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Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
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
Add the polynomials.(-2x2 + 15x) + (14x2 - 2x - 4)
A. 12x2 + 13x - 4 B. 12x4 + 13x2 - 4 C. 25x6 - 4 D. 12x2 + 13x + 4
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values and be sure to simplify your answer.8
+ 
- 7
A. 
+ 
B. 
C. 
D. 15
+ 
Mathematics