Use properties of exponents to simplify the expression. Express answers in exponential form with positive exponents only. Assume that any variables in denominators are not equal to zero.(-5x2y-4)(2x3y-2)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Rewrite with positive exponents, and simplify, if possible.
A. p3/4
B. 
C. p4/3
D. 
Mathematics
Write the slope-intercept form of the equation for the line passing through the given pair of points.(-4, -1) and (-4, 9)
A. y = -1 B. -1x + 9y = 0 C. 9x - 1y = 0 D. x = -4
Mathematics
Find the indicated derivative.Find fx f(x,y,z) = 3x5e(2y3 + 7z4)
A. 15x4 B. 3x5 C. 15x4e(2y3 + 7z4) D. 15x4e(6y2 + 28z3)
Mathematics
A $300,000 lottery prize pays $30,000 per year for the next 10 years. If the current rate of return is 8.25%, what is the present value of this prize? ?
A. $198,928.92 B. $211,595.49 C. $215,473.92 D. $199,007.12 E. $199,052.12
Mathematics