Answer:
C.
Step-by-step explanation:
Since both terms are perfect squares, factor using the difference of squares formula to get you the answer
(7x+9)(7x-9)
3/4 foot is 9 inches, and 4 1/2 feet is 54 inches, so, 54/9 makes exactly 6 pieces of string.
180 x 1000 =180000
180000 ÷ 3600 = 50
So 50 m/s is your answer
Hope that helped x
Answer:
58.4
Step-by-step explanation:
delta math give up