Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. -5 - 2
B. 5 - 2
C. 2
- 5
D. 5 + 2
Answer: C
Mathematics
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Provide an appropriate response.According to the rules for the order of operations, what should be the first step when simplifying the expression [-3 + (-11 + 5)] + (-5 + 9)?
A. find the sum of -3 and -5 B. find the sum of -11 and 5 C. find the sum of -3 and -11 D. find the sum of 5 and -5
Mathematics
Find the root.- 
A. 7 B. Not real number C. 49 D. -7
Mathematics
Use the graph of the function to estimate the x-intercepts.y = x2 + 3x - 18
A. x = 0 B. x = -6, x = 3 C. x = -3, x = 6 D. x = -3, x = 18
Mathematics
Provide an appropriate response.The following proportion is not true. Change any one of the numbers in the proportion to make it true.
What will be an ideal response?
Mathematics