Answer:
because the length is 4 feet more than the width
=> the length is x + 4 (feet)
because the base has an area of 21 square feet
=> x(x + 4) = 21
<=> x² + 4x = 21
Answer:
-4??
Step-by-step explanation:
There might be a variety of averages for the 12 boys.
well, clearly the LCD from the denominators of 5 and 10 is just 10, thus

Answer:
Step-by-step explanation:the answer to your question is the value of the 6 is 6,000,000