Answer:
6
Step-by-step explanation:
1x2x3=6
Q=(1,-5)
R=(5,-5)
S=(2,-7)
31,
because when you divide 42 and 12 to get the other two sides you get 3.5 and
3.5+3.5+12+12=31
1 Expand by distributing terms.
rx+r×2
2 Regroup terms.
rx+2r
