Solve the problem.Suppose that R ={(x, y): 0 ? x ? 9, 0 ? y ? 8},R1 = {(x, y): 0 ? x ? 9, 0 ? y ? 7}, andR2 = {(x, y): 0 ? x ? 9, 7 ? y ? 8}. Suppose, in addition, that
dA = 5, 
dA = 9, and 
dA = 4.Use the properties of integrals to evaluate 
A. 45
B. 90
C. 0
D. 54
Answer: B
Mathematics
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Solve the problem.Sara works at a fast food restaurant. On one day she sold 79 double hamburgers, 88 fish sandwiches, 45 orders of French fries, 51 small drinks, 42 medium drinks, and 66 large drinks. On the next day she sold 25 double hamburgers, 66 fish sandwiches, 70 orders of French fries, 11 small drinks, 43 medium drinks, and 59 large drinks. Write this information in a 6x2 matrix.
A. 
B. 
C. 
D. 
Mathematics
Find the opposite of the number.30
A. -30 B. 0 C. 1 D. 30
Mathematics
Decide whether the statement is true or false.The circle with equation (x + 4)2 + (y - 4)2 = 64 has center at (4, -4).
A. True B. False
Mathematics
Solve.x2 + 8x = 33
A. 44, -11
B. 
, -
C. -3, 11
D. 3, -11
Mathematics