Simplify the expression.5(2x - 2) - 6(x - 1)

A. 4x - 4
B. 4x - 16
C. -20x - 4
D. 4x - 3


Answer: A

Mathematics

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If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r =  feet, s = 16 feet, ? = ?

A.  radians
B. 40 radians
C. 40°
D. °

Mathematics

Use the commutative or the associative property to complete the statement. State which property is used.7 + (2 + 6) = (7 + )+ 6

A. -2; commutative property B. 2; commutative property C. 2; associative property D. -2; associative property

Mathematics

Provide an appropriate response.Determine whether the following equation has real roots. If it has real roots, find them, otherwise say no real roots.  +  = 1

Fill in the blank(s) with the appropriate word(s).

Mathematics

A number is given in decimal notation. Write the number in scientific notation.In a certain city, the subway system carried a total of 1,790,000,000 passengers.

A. 1.79 × 108 B. 1.79 × 109 C. 1.79 × 1010 D. 17.9 × 109

Mathematics