Write a recursive definition for the sequence below.
-1,4,9, 14, ...
A. a1 =-1; an=49-1 +5
B. a1 =-1; &n= an-1 + 15
C. a1 = 14; an= an-1-5
D. a1 = 14; an=an-1 + 15

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.