Answer:
72 × 3 = 216m
216 m is the combined length
So WX is 7y +4 and XY is 21, and when you add those lines you get the whole thing, which is 12y so write that like an equation
12y = 7y+4+21
12y = 7y+25
5y = 25
y = 5
Y+2=-4x+24
2=-4x-y+24
-22=-4x-y
Step-by-step explanation:
hope this will help you......
it will take the duck 5.8 seconds to reach 29 feet of depth.