Jeff uses the expression 2(3b+1) to determine how many books (b) he needs to order for his store . if b=12 how many books should jeff order?
a) 37 b)67 c) 73 d) 74

2([3x12)]+1)

2(36+1)

2(37)

=74, D.

Hope this helped :)

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

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(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180