Answer:
A
Step-by-step explanation:
Subtract 1.6 from the height each hour and it shows that the answers match the height each hour.
3 feet 8 inches converted to inches is 3x12+8=44inches
44inches times 4 pieces is 176 inches.
176 inches converted back to feet and inches is 176/12=14 feet 8 inches so he would need 15 feet of board
Between 90 and 180 degrees
Put it back into the equation,
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Answer: 7 pounds
Step-by-step explanation: 1 3/4×4=7