Write the sum in summation notation. +  +  + . . . +  

A.
B.
C.
D.


Answer: B

Mathematics

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Provide an appropriate response.Toby is replacing the corral on his cattle ranch. He plans to construct a new rectangular corral that has an area of  square feet. Write this area as a simplified radical.

A.  square feet
B. 16 square feet
C. 8 square feet
D. 16 square feet

Mathematics

Find the length of the missing side for the given pair of similar figures. 

A. 20 in. B. 12 in. C. 25 in. D. 19 in.

Mathematics

Simplify the expression.-2(-3)

A. 8 B. -8 C. 9 D. 6

Mathematics

Evaluate the expression for the given replacement values.8x2 + 2x for x = 4

A. 40 B. 136 C. 72 D. 120

Mathematics