Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. 4x
B. 5x
C. 7x
D. 22x
Answer: B
Mathematics
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Solve.2x3 + 36 ? 5x2 + 21x
A. [-3, 4]
B. (-?, -3] ? 
C. [-3, ?)
D. 
? [4, ?)
Mathematics
Find the sum.45 + (-23)
A. -69 B. 68 C. -68 D. 22
Mathematics
Use the fundamental identities to simplify the expression.cos ? - cos ? sin2?
A. sec2? B. tan2? C. cos3? D. sin ?
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(4a1/7b5/7)3
A. 12a3/7b5/7 B. 64a3/7b15/7 C. 4a3/7b15/7 D. 64(ab)15/7
Mathematics