Answer:
Area = base × height
31.5 = base × 6.3
base = 5 ft
option b
Step-by-step explanation:
replace x and y with the x and y of the ordered pair
option a: 2(4)+4(5)=6(4)-5
solve
8+20=24-5
28=19 not true
option b:2(5)+4(4)=6(5)-4
10+16=30-4
26=26 true
