100 points answer fast

which ordered pair is the solution to the system?

{x+3y=6
4x+6y=−6

a.(6, 3)

b.(−3, 3)

c.(12, −2)

d.(−9, 5)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

What is the slope of (0,32) and (100,212)

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet