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Given 
4 = 0.7124 and 
12 = 1.2770, find
?1.2770
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Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed. 
A. A' ? C B. (A' ? B) ? C C. (A' ? B) ? C D. (A ? B') ? C
Use the ordinary annuity formula to determine the accumulated amount in the annuity. Round the answer to the nearest cent.$100 invested annually for 8 years at 9% interest compounded annually
A. $2213.96 B. $920.04 C. $203.12 D. $1102.85
Solve the problem.A chemist needs 130 milliliters of a 72% solution but has only 17% and 82% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 100 mL of 17%; 30 mL of 82% B. 20 mL of 17%; 110 mL of 82% C. 110 mL of 17%; 20 mL of 82% D. 30 mL of 17%; 100 mL of 82%
Provide an appropriate response.Simplify: (a - b)2(a + 2b)
What will be an ideal response?