Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(5x-9y9z-8)-3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the equation.
= 
A. no solution
B. 
C. 
D. 
Mathematics
The triangles are similar. Find the missing side, angle or value of the variable.?Z.
m?A = 47°
A. 43° B. 133° C. 53° D. 47°
Mathematics
Find the zeros of the function. Give approximate solutions rounded to three decimal places when necessary.f(x) = x2 + 9x - 5
A. -0.525, 9.525 B. -6.158, -2.842 C. 2.842, 6.158 D. -9.525, 0.525
Mathematics
Find the interest rate (with annual compounding) that makes the statement true. Round to the nearest tenth when necessary.$853 grows to $1869.03 in 20 years
A. 2.5% B. 4.5% C. 4% D. 4.95%
Mathematics