Solve.
- 
= 
A. -42
B. 6
C. -6
D. -63
Answer: C
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Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
The graph shown gives the weight of a certain person as a function of age. Find the age at which the person started an exercise program.
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A company's strengths, weaknesses, opportunities and threats are all aspects of the internal environment that can affect the firm's choice and use of strategies.
Answer the following statement true (T) or false (F)
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. The area of a right triangle with legs a and b is one-half the area of a rectangle with dimensions a and b. 2. The height of a trapezoid is the perpendicular distance between the bases. 3. The area of a circle with radius two is equal to its circumference. 4. If the sum of the squares of two sides of a triangle is equal to the square of its longest side, then it is a right triangle.