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 7 slices of pizza and 4 soft drinks for $31.49. The second group bought 5 slices of pizza and 6 soft drinks for $26.61. How much does one slice of pizza cost?
A. $3.25 per slice of pizza
B. $1.81 per slice of pizza
C. $1.31 per slice of pizza
D. $3.75 per slice of pizza
Answer: D
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Find the exact value by using a sum or difference identity.tan 
A. - 2 + 
B. 2 + 
C. - 2 - 
D. 2 - 
Describe the transformations that produce the graph of g from the graph of f.f(x) = x2 ; g(x) = -(x - 9)2 + 8
A. Shift it 9 units to the left. Reflect it across the 
Shift it 8 units up.
B. Shift it 9 units to the right. Reflect it across the 
Shift it 8 units up.
C. Shift it 9 units to the right. Reflect it across the 
Shift it 8 units down.
D. Shift it 9 units to the right. Reflect it across the 
Shift it 8 units up.
The table shown was generated by a graphics calculator. The expression y1 represents f(x).
Write the function in the form y = mx + b.
A. y = 2x + 3 B. y = 2x - 3 C. y = -2x - 3 D. y = -2x + 3
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 9j,
w = i + j
A. v1 = 5i + 5j), v2 = -4i + 4j
B. v1 = 10i + 10j, v2 = -8i + 8j
C. v1 = 5i + 5j, v2 = 4i - 4j
D. v1 = 
i + 
j, v2 = - 
i + 
j