Solve the problem.How many rectangles (of any size) are there in the last two figures?  ? 1 rectangle  ? 3 rectangles  ?  rectangles 

/> ?  rectanglesUse inductive reasoning to find a formula for the number of rectangles in a 1 × n strip.



A. 15; 45
In a 1 × n strip there are  rectangles
B. 15; 45
In a 1 × n strip there are  rectangles
C. 15; 27
In a 1 × n strip there are 3n rectangles
D. 12; 24
In a 1 × n strip there are 3n - 3 rectangles

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Answer: B

Mathematics

Express the value of the inverse hyperbolic function in terms of natural logarithms.cosh-1 2

A. ln (2 + )
B. ln (2 + )
C. ln (2 - )
D. ln (4)

Decide if the statement is true or false.The value of csc ? is always less than 1.

A. True B. False

Provide an appropriate response.Which of the following demonstrates the correct method to verify the solution to an equation?

A. -4x = -8; x = -2 -4(-2) = -8 -8 = -8 B. -9x = -18; x = -2 -9(-2) = -18 18 = -18 C. -8x = -48; x = 6 -8(6) = -48 -48 = -48 D. -6x = -4; x = 2 -6(2) = -4  -4 = -4

Find the point that is symmetric to the given point with respect to the requested axis.Symmetric with respect to the x-axis(7, 2)

A. (-7, -2) B. (2, 7) C. (-7, 2) D. (7, -2)