Solve the system by elimination.
+ 
= 3
+ 
= -3
A. 
B. 
C. 
D. ?
Answer: B
Mathematics
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Find the first four terms of the binomial series for the given function.(1 + 9x)1/3
A. 1 + 3x + 9x2 + 27x3 B. 1 + 3x - 9x2 + 27x3 C. 1 - 3x + 27x2 - 45x3 D. 1 + 3x - 9x2 + 45x3
Mathematics
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x4 + 2x3 - 19x2 - 8x + 60
A. (x - 2)(x + 2)(x + 3)(x - 5); -2, 2, 3, -5 B. (x - 2)(x + 2)(x - 3)(x + 5); 2, -2, 3, -5 C. (x - 2)(x + 2)(x - 3)(x + 5); -2, 2, -3, 5 D. (x - 2)(x + 2)(x - 3)(x - 5); 2, -2, 3, 5
Mathematics
Translate to an equation. Do not solve.What is 25% of 80?
A. n = 80% × 25 B. 25 = n × 80% C. n × 25% = 80 D. n = 25% × 80
Mathematics
Simplify the expression.
÷ 
A. 
B. (z - 1)(z + 2)
C. 
D. 
Mathematics