Complete the process of solving the equation. Fill in the missing term on each line. Simplify any fractions.
2b + 13 - 9 = 12
2b +
= 12 (Combine like terms)
2b =
(Subtract 4 from both sides)
b =
(Divide both sides by 2)

What number produces an irrational number when multiplied by -1.25

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.