Use a formula for perimeter or area to solve the problem.
Find the area of the triangle.
A. 36 km2
B. 16 km2
C. 32 km2
D. 12 km2
Answer: B
Mathematics
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Graph the equation.-7 - x = 0
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function by using the definition.y = 3x2 - 9x
A. 6x - 9 B. 3x - 9 C. 6x D. 6x2 - 9x
Mathematics
Solve the problem.Walt made an extra $7,000 last year from a part-time job. He invested part of the money at 7% APR and the rest at 8% APR. He made a total of $530 in interest. How much was invested at 8%?
A. $3,500 B. $3,000 C. $5,000 D. $4,000
Mathematics
Subtract. Simplify, if possible.
- 
A. 
B. - 
C. 
D. 0
Mathematics