First estimate the answer. Then add or subtract to find the exact answer. Write answer as a mixed number.
A. Estimate: 46; Exact: 47
B. Estimate: 47; Exact: 46
C. Estimate: 48; Exact: 47
D. Estimate: 47; Exact: 25
Answer: C
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Explain why the indicated triangles are congruent.NK = LK. ?NKM ? ?LKM. Explain how you know that NM = LM. 
What will be an ideal response?
Solve the equation.log2(3x - 2) - log2(x - 5) = 4
A. {18}
B. 
C. 
D. {6}
Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = 
,B = 
A. B = A-1 B. B ? A-1
Find the amount of each payment to be made into a sinking fund so that enough will be present to accumulate the following amount. Payments are made at the end of each period. The interest rate given is per period.$71,000; money earns 5% compounded quarterly for 4 years
A. $1003.38 B. $942.91 C. $4036.12 D. $1548.85