Translate to an equation and solve.42% of what number is 84?
A. 2000
B. 0.5
C. 50
D. 200
Answer: D
Mathematics
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Decide whether or not the given equation is an identity.
= cot ?
A. Yes B. No
Mathematics
Multiply.Let P(x) = x2 - 7. Find P(x) ? P(x)
A. x4 - 14x2 + 49 B. x4 - 7x2 + 49 C. x4 - 7x + 49 D. x4 + 49
Mathematics
Simplify the expression.(w2)0
A. 0 B. w2 C. 1 D. w
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.x4 - 24x2 - 25
A. (x - 5)2(x2 + 1) B. (x + 5)(x - 5)(x + 1)(x - 1) C. (x + 5)(x - 5)(x2 + 1) D. (x2 - 25)(x2 + 1)
Mathematics