The answer is none of the above
4 is the answer because for every green balloon there are 4 red balloons
Answer: 252 square feet
Step-by-step explanation:
lets remember that 1 yard= 3 feet
7 yards= 7*3=21 feet
4 yards= 4*3=12 feet
we know that area of a rectangle= LxW
21 x 12= 252 square feet
Answer:
Which of the following is a common sign that a chemical change has occurred?
Step-by-step explanation:
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