Use the quadratic formula to solve the quadratic equation. Approximate the solutions to the nearest tenth.5x2 = 55
A. -6.6, 6.6
B. -5.2, 5.2
C. -1.7, 1.7
D. -3.3, 3.3
Answer: D
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Provide an appropriate response.Perform the multiplication and simplify: 
A. y2
B. y
C. 
D. 
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 $29.04. The second group bought 5 slices of pizza and 4 soft drinks for $20.40. How much does one slice of pizza cost?
A. $2.88 per slice of pizza B. $2.00 per slice of pizza C. $1.50 per slice of pizza D. $2.38 per slice of pizza
Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of summation.3 + 
+ 4 + 
+ ... + 
A. 
B. 
C. 
D. 
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
A. 1
B. 6
C. 
D. 4