Evaluate the expression.
, if x = 28
A. 
B. 4
C. 28
D. 21
Answer: B
Mathematics
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Solve for the unknown number.25 + x = 45
A. 20 B. 0 C. 1 D. 45
Mathematics
Solve the problem.An isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices 
and 
is isosceles.
A. Yes B. No
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.x4 - 12x2 + 36
A. (x2 - 6)(x2 + 6) B. (x2 + 6)2 C. (x2 - 6)2 D. prime
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.x3 + 30x2 + 225x
A. x(x - 15)2 B. x(x + 15)2 C. x(x + 15)(x - 15) D. prime
Mathematics