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
Answer: B
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Add or subtract.-21 + (-13)
A. 8 B. -8 C. 34 D. -34
Rewrite the statement using the if...then connective. Rearrange the wording or words as necessary.A ship can't sail on land.
A. If this is not land, then a ship can't sail. B. If this is a ship, then it can't sail on land. C. A ship can't sail on land. D. If this is a ship, then it can sail on land.
Solve each of the following systems of equations. If the system is inconsistent or dependent, say so.2x - y = 105x + y = 32
A. (2, 6) B. (6, 3) C. (6, 2) D. No solution
In the following figure: BF and AG are parallel and DEF is an isosceles triangle.
(a) List two supplementary angles.
(b) What shape is ABDEGHA?
(c) What is the measure of ?DFG?
(d) What is the measure of ?BAH?
(e) How many obtuse interior angles are in the figure? List the angle names and measures.
(f) List one set of vertices that form a pentagon.
(g) List two sets of vertices that form scalene triangles
(h) Which angles are congruent? List all congruent angle sets.