Answer:
Part a would be "C" and part b would be "C" I believe
Step-by-step explanation:
(a):it is a constant speed, then decline, then back to constant.
(b):constant then he gets slower.
19
y=2×8+3
=16+3=19
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66 feet
30+30=30 feet
6+6=12 yards
1 yard=3 feet
12*3=36
30+36=66
look at the picture .................
