Which expressions show the expanded form for 40.507?

choose all answers that are correct.

a.
4 × 10 + 0 × 1 + 5 × 1/10 + 0 × 1/100 + 7 × 1,000

b.
4 × 10 + 5 × 1/100 + 7 × 1/1,000

c.
4 × 10 + 0 × 1 + 5 × 1/1 + 0 × 1/10 + 7 × 1/100

d.
4 × 10 + 5 × 1/10 + 7 × 1/1,000
and im so sorry if its confusing

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

How can (square root of 25) ^2 be rewritten?

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem