Find the mistake

3 (x-6) + (4x+12) - 6x=

3x-9+4x+12-6x=

(3x+4x-6x) + (-9+12) =

x+3

Solve T=C (3 + AB) for A.

8 is 25% of what number?

Cristal is using geometry software to construct a regular octagon by using rotations. What is Cristal using for the angle of rotation?

In Jonah's restaurant, each table seats 4 people. Jonah has 78 napkins to place at the tables. How many tables can Jonah set with the napkins he has?

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13 out of 60 people surveyed what angle in a pie chart would you use?

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Translate this sentence into an equation. 33 is the product of Jenny's height and 3 Use the variable to represent Jenny's height.