Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
(
+ 
)
A. 15 + 3
B. 15 + 9
C. 225 + 3
D. 30
Answer: A
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Find the indicated term of the arithmetic sequence.
, 1, 
, . . . ; a16
A. 
B. 
C. 
D. 7
Solve the problem.A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $37.64. The second group bought 6 slices of pizza and 7 soft drinks for $34.59. How much does one slice of pizza cost?
A. $2.09 per slice of pizza B. $3.41 per slice of pizza C. $1.59 per slice of pizza D. $3.91 per slice of pizza
Find the equation of the least-squares regression line. Graph the line and data points on the same graph.
A. y = 2.8x
B. y = 3.0x
C. y = 0.15 + 3.0x
D. y = 0.15 + 2.8x
Determine whether the argument is valid or invalid.Loretta's hobby is stamp collecting. If her husband likes to fish, then Loretta's hobby is not stamp collecting. If her husband does not like to fish, then Nathan likes to read. Therefore, Nathan likes to read.
A. Invalid B. Valid