M is the midpoint of segment AB. If AM = 7, this is the length of AB.
What is 14?
This is the image of P(3, −2) under the translation (x, y) → (x + 4, y − 5).
What is (7, −7)?
Of SSS, SAS, AAA, and HL, this one does NOT prove triangles congruent.
What is AAA?
I’m tall when I’m young, I’m short when I’m old, and once a year, I make heavy pumpkins light.
What is a candle?
A carved pumpkin with a light inside is called this.
What is a jack-o’-lantern?
The following picture translates to this popular Halloween treat:

What is Candycorn.
This is the slope of any line perpendicular to y = ⅔x − 4.
What is −3/2?
Reflecting the point (5, −1) across the y-axis lands it here.
What is (−5, −1)?
The vertex angle of an isosceles triangle measures 40°, so each base angle measures this.
What is 70°?
I protect, I stand tall
my purpose is to strike fear in all.
What is a scarecrow?
According to a 2023 poll, this is America's favorite Halloween Candy.
What are Reeses?
The following picture translates to this popular Halloween treat:

What is a Milky Way?
Parallel lines are cut by a transversal, forming same-side interior angles of (3x + 10)° and (2x + 20)°. This is the value of x.
What is 30?
Rotating the point (2, 6) 90° counterclockwise lands in this quadrant.
What is Quadrant 2?
DAILY DOUBLE:
△ABC ≅ △DEF, AB = 2x + 3, and DE = 5x − 9. This is the length of AB.
What is 11?
I don’t have eyes, but once I did see. Once I had thoughts, but now I’m white and empty.
What is a skull?
This U.S. state grows the most pumpkins.
What is Illinois?
An often visited place during spooky season:

What is a Haunted House?
This is the contrapositive of “If it is a ghost, then it is invisible.”
What is “If it is not invisible, then it is not a ghost”?
An exterior angle of a triangle measures 136°. Its remote interior angles measure (2x + 10)° and (3x + 6)°. This is the value of x.
What is 24?
If △AMB ≅ △DMC by SAS, then this is the reason AB ≅ DC.
What is CPCTC?
Look in my face, I am somebody. Look in my back, I am nobody.
What is mirror?
DAILY DOUBLE:
This famous escape artist died on Halloween in 1926.
Who is Harry Houdini?
A phrase often used on Hallow's eve:

What is "Trick or Treat"?
The value of x:

What is x=3?
Reflect (3, −4) across the x-axis, then rotate the image 180° about the origin, and it lands at this point.
What is (−3, −4)?
An isosceles triangle has legs 3x − 4 and x + 8 and a base of 2x. This is its perimeter.
What is 40 units?
The person who built it sold it. The person who bought it never used it. The person who used it never saw it.
What is a coffin?
Halloween grew out of this ancient Celtic festival.
What is Samhain?
Something that happens before you can get any goodies or attend any parties:

What is "time 2 dress up."