Answers only for the following questions.
Solve -?(2x+1)=-9 for x
Which of the following best describes imaginary numbers?
What are the mean and standard deviation of the data -6, 12, 2, -4, 1, 6, 0, 3?
Rationalize the denominator of 2/?(a-1)
Simplify ?(16x^4 y^5 ) ?(243y^7 ) assuming the variables represent non-negative numbers.
Two children in nearby houses attempt to use walkie-talkies to communicate. The walkie-talkies reach one quarter of a mile (1320 feet). From on childs house to the other, the walk along the city sidewalks is as follows: Proceed 450 feet from the first house to the nearest corner, turn right ?90?^o and proceed another 1050 feet. Are the childrens houses within the 1320-foot range of one another? Choose the best answer.
Combine like radicals in ?(5&2x)-?(5&32x^5 )+?(5&-64x)+?(8x^3 )
Compute the value of |-6-6i|
Which of these expressions is in simplified form?
Which of these points is 5 units away from the point (6,-1)?
Simplify (5?2)/(2-i) by rationalizing the denominator.
Which of these expressions simplifies to (?3 (|x|-5x^2 ))/3?
Which expression has the same value as ?25?^(1/2)?
What best describes the triangle whose corners are located at the points (1, 1), (2, 2), and (0, 16)?
Which of these radical expressions simplifies to x?
Expand (x-2?y)(x+2?y) and simplify. Assume y ? 0.
Solve ?2x+x=4 for x.
Which of these phrases best describes the standard deviation?
To solve ?x+?(x-5)=5 for x, begin with which of these steps?
Rationalize the denominator (?x+?y)/(?x-?y) assuming x > 0 and y? 0.
Simplify ?(-16xy^6 )
Simplify 2?2 (-?8+2?6)
Excerpt from file: 1. Solve -(2x1)-9 for x x 40 2. Which of the following best describes imaginary numbers? They are the values of expressions of the form -a for various real numbers a, as long as a0. 3. What are the mean and standard deviation of the data ...
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