Select all the correct answers. Which tables represent constant functions?

x y
2 -1
2 0
2 1

x y
2 -3
4 -7
6 -11

x y
2 3
4 3
6 3

x y
1 3
2 12
3 27

x y
1 -1
2 -1
3 -1

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28

Add: (6x^2-5x+3) + (3x^3+7x-8) a. 9x^2+12x-5 b. 9x^2+2x+11 c. 9x^2+2x-5 d. 9x^2-2x+5