Multiply and then, if possible, simplify by factoring.
A. 9
B. 
C. 3
D. 
Answer: C
Mathematics
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Simplify the expression. If any variables exist, assume that they are positive.
+ 
A. 5
B. 6.5
C. 
D. 13
Mathematics
Provide an appropriate response.Using Heron's formula, find the area of the triangle as shown. Round the answer to four significant digits. 
A. 65.73 cm2 B. 42.42 cm2 C. 78.14 cm2 D. 101.8 cm2
Mathematics
Determine the midpoint that lies between the two given points.(6?, 3) and (9?, 1)
A. (-3?, 2)
B. 
C. 
D. (15?, 4)
Mathematics
Write the number in scientific notation.78,000
A. 7.8 x 10-4 B. 7.8 x 104 C. 7.8 x 103 D. 7.8 x 10-3
Mathematics