Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: B
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Translate the sentence to an equation using x as the variable. Do not solve the equation.Dividing 28 by a number amounts to 7.
A. 28x = 7 B. 28 ÷ x = 7 C. 28 - x = 7 D. x ÷ 28 = 7
Find the prime factorization of the number.22
A. 2 ? 2 ? 2 B. 2 ? 2 ? 5 C. 2 ? 11 D. 2 ? 12
Solve the inequality.In order for a chemical reaction to take place, the Fahrenheit temperature of the reagents must be at least 
. Find the Celsius temperatures at which the reaction may occur. 
Round your answer to hundredths of a degree.
A. C ? 222.48°F B. C ? 41.01°F C. C ? 41.01°F D. C < 222.48°F
Find the prime factorization of the number. Write the answer with exponents when repeated factors appear.2600
A. 23 ? 53 ? 13 B. 24 ? 5 ? 13 C. 2 ? 54 ? 13 D. 23 ? 52 ? 13