Solve.-4t - 7 = 6 + 3t

A. {- }
B. {1}
C. {}
D. {- }


Answer: A

Mathematics

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Solve the problem.Suppose that a circular coin has a circumference of C, a radius of r, and a diameter of d. Write C as a function of d. 

A. = ?d2
B. = 2?d
C. = 
D. = ?d

Mathematics

Find the first year's depreciation using the MACRS method of depreciation and the MACRS depreciation rates table. Round to the nearest dollar.MACRS Depreciation Rates  Cost:$9810Recovery period:3 years

A. $3270 B. $1453 C. $1884 D. $1962

Mathematics

Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.tan ? = Find sin ? and cos ?.

A. sin ? = , cos ? = 
B. sin ? = , cos ? = 
C. sin ? = , cos ? = 
D. sin ? = , cos ? = 

Mathematics

Find the perimeter. Use 3.14 for ? when needed.

A. 140.76 yd B. 80.07 yd C. 53.38 yd D. 104.38 yd

Mathematics