Simplify the expression. Assume all variables represent positive real numbers.(2
+ 10
)(2
+ 6
)
A. 328 + 32
B. 4
+ 60
C. -272 + 32
D. 4
+ 60
+ 32
Answer: A
Mathematics
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Find the first term a1 and the common difference d of the arithmetic sequence.0.75, 0.7, 0.65, 0.6, 0.55, . . .
A. a1 = -0.05, d = 0.55 B. a1 = 0.75, d = -0.05 C. a1 = 0.75, d = -0.1 D. a1 = -0.05, d = 0.05
Mathematics
Match the equation to its graph.y = -5x + 6
A. 
B. 
C. 
D. 
Mathematics
Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
+ 
i
A. 
B. 
C. 
+ 
i
D. 
- 
i
Mathematics
Fill in the blank with one of the words or phrases listed below. Some words or phrases may be used more than once.
The graphs of f and f-1 are 
about the line y = x.
A. vertical B. horizontal C. symmetric D. inverse
Mathematics