Simplify. Express the answer using positive exponents.
A. 
B. z13
C. z3
D. 
Answer: A
Mathematics
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Solve the problem.The surface area of a hollow cylinder (tube) is given by 
where h is the length of the cylinder and R1 and R2 are the outer and inner radii. If h, R1, and R2 are measured to be 8 inches, 8 inches, and 9 inches respectively, and if these measurements are accurate to within 0.1 inches, estimate the maximum percentage error in computing S.
A. 0.034% B. 0.055% C. 0.041% D. 0.028%
Mathematics
Graph the linear equation.y = 4
A. 
B. 
C. 
D. 
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-150°)
A. 
B. 
C. 
D. - 
Mathematics
Graph the function.y = 
cot 
A. 
B. 
C. 
D. 
Mathematics