Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. The easiest way to simplify the expression 
is to multiply both the numerator and denominator by 5 - 
What will be an ideal response?
False. The correct answer is to multiply numerator and denominator by the conjugate of the denominator, 5 + 
, so that, by using the product of the sum and difference of two numbers, the "middle term" of the product is zero.
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Convert the radian measure to degrees. Round to the nearest hundredth if necessary.
A. 120° B. 480?° C. 67.5° D. 135°
Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Solve the problem.One-half serving of soy sauce contains 234 milligrams of sodium. How many grams of sodium from soy sauce are included in an egg-foo-young dish made with 3 servings of soy sauce? Round results to the nearest tenth of a gram.
A. 0.1 g B. 78.0 g C. 70.2 g D. 1.4 g
Find all values of x satisfying the given conditions.y = x2 + 4x and y = 40
A. 2
± 2
B. ± 2
C. -2 ± 2
D. -2 ± 2