Answer the question or complete the sentence to make a true statement.According to the rules for the order of operations, what should be the first step when simplifying the expression [9 + (-3 + 3)] + (-6)?
A. Find the sum of -3 and 3
B. Find the sum of 9 and -6
C. Find the sum of 3 and -6
D. Find the sum of 9 and -3
Answer: A
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Solve the problem.Find the half-life of the radioactive element radium, assuming that its decay constant is 
with time measured in years.
A. 1400 years B. 1600 years C. 800 years D. 2308 years
Determine whether the relation represents a function. If it is a function, state the domain and range.{(-2, 5), (-1, 2), (0, 1), (1, 2), (3, 10)}
A. function domain: {5, 2, 1, 10} range: {-2, -1, 0, 1, 3} B. not a function C. function domain: {-2, -1, 0, 1, 3} range: {5, 2, 1, 10}
Provide an appropriate response.Explain why the vertex of a parabola must lie on its axis.
What will be an ideal response?
Evaluate the expression for the given value or values.- 
for x = -324, y = 6
A. -54 B. 54 C. -57 D. 57