Write with rational exponents, and then apply the properties of exponents. Assume all radicands represent positive real numbers. Give answer in exponential form.
? 
A. x10/3
B. x13/15
C. x2/3
D. x13/2
Answer: B
Mathematics
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Solve the system of equations using the inverse of the coefficient matrix.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. x = -1, y = 2, z = 1 B. x = 2, y = 1, z = 6 C. No solution D. x = 2, y = -1, z = 4
Mathematics
Solve the problem.Decide whether or not the points are the vertices of a rectangle.(-10, -4), (-1, -18), (13, -9), (4, 5)
A. No B. Yes
Mathematics
Prove the identity.
= 
What will be an ideal response?
Mathematics
Express the sum using summation notation.33 + 43 + 53 + ... + 93
A. 
B. 
C. 
D. 
Mathematics