Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 24x(x + 4)
B. 
C. 
D. 
Answer: C
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Describe the given set of points with a single equation or with a pair of equations.The circle of radius 4 centered at the point (5, -6, 16) and lying in a plane parallel to the xy-plane
A. 
2 + 
2+ 1 = 16
B. (x - 5)2 + (y - 6)2 = 16 and z = 16
C. (x - 5)2 + (y - 6)2 = 16 and x + y = -1
D. 
2+ 
2= 16 and z = 16
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find csc A when b = 24 and c = 51
A. 
B. 
C. 
D. 
Use a graphing calculator and the method of matrix inverses to solve the system. Give 5 decimal places.(log 2)x + (ln 3)y+ (ln 5)z = 4(ln 3)x + (log 8)y + (ln 10)z = 11(log 23)x + (ln 7)y + (ln 4)z = 15
A. {(4.12321, 3.91519, 1.27440)} B. ? C. {(9.25474, 1.35236, -0.16880)} D. {(0.30103, 9.0309, 1.38629)}
Find an expression for the nth term of the arithmetic sequence.200, 300, 400, 500, 600, . . .
A. an = n + 100n B. an = 100n + 200 C. an = 100n + 100 D. an = 200n