Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income of $25,000 or more?
A. 0.71
B. 0.43
C. 0.57
D. 0.28
Answer: A
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 4, u '(1) = -7, v(1) = 6, v '(1) = -3.
at x = 1
A. - 
B. - 
C. - 5
D. - 
Mathematics
Find the perimeter of the figure.
A. 
cm
B. 
cm
C. 
cm
D. 
cm
Mathematics
Estimate the sum or difference by first rounding to the nearest ten.69167527
A. 270 B. 260 C. 300 D. 259
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics