Solve the first-order linear system x? = x ? 4y, y? = x + y
What will be an ideal response?
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A board 25 feet long is cut into two pieces such that the length of one piece is two-thirds of the length of the other piece. Find the length of the shorter piece of board.__________ feet
Fill in the blank(s) with the appropriate word(s).
Solve.The difference between a country's exports and imports is called the country's trade balance. In 1981, a country had $215 billion in exports and $180 billion in imports. What was the country's trade balance in 1981?
A. 395 billion dollars B. -35 billion dollars C. -395 billion dollars D. 35 billion dollars
Solve the equation.- 
(x + 6) + 
(x + 5) = x + 9
A. 
B. 
C. 
D. 
Solve the problem.Jim bicycled 651 miles in January, 630 miles in February, and 686 miles in March. How many miles did he bicycle?
A. 1957 miles B. 1977 miles C. 1967 miles D. 1867 miles