Bill and Bob's Burgers ran a special in which they sold Burgers for $1.00 each, Big Burgers for $1.50 each, and Cheese Burgers for $1.75 each. They sold a total of 1240 burgers. The number of Cheese Burgers equaled the total number of Burgers and Big Burgers. The total receipts were $1895. How many of each did they sell?
What will be an ideal response?
240 Burgers, 380 Big Burgers, 620 Cheese Burgers
Mathematics
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Perform the given set operation.
?
Let U = {1, 2, 3, 4, 5, 6, 7, 8}.
?
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Enter your answer in a set notation.
What will be an ideal response?
Mathematics
Perform the indicated row operations on the following matrix. 
(-2)R1 + R2 ? R2
A. 
B. 
C. 
D. 
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. [-3]
C. 
D. 
Mathematics
Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = x2 from x = 0 to x = 3 n = 2; use midpoints
A. 3.375 B. 12.5 C. 8.4375 D. 16.875
Mathematics