Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $890  Tax rate: 8%

A. $66.75, $956.75
B. $84.55, $974.55 
C. $756.50, $1646.50 
D. $75.65, $965.65 


Answer: D

Mathematics

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Solve the problem.Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is  and the radius of the larger wheel is  Through how many degrees will the larger wheel rotate if the smaller one rotates  Round your answer to two decimal places.

A. 54.38° B. 56.48° C. 54.48° D. 55.48°

Mathematics

Write the polynomial in two ways: with its missing terms and by leaving space for them.7x4 - 3x2 + 8x

A.
B.
C.
D.

Mathematics

Simplify. Assume that no radicands were formed by raising negative quantities to even powers.

A. b
B.
C.
D. 6

Mathematics

Multiply mentally.50 × 900

A. 950 B. 44,100 C. 45,000 D. 45,900

Mathematics