Find the indicated sum.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.To encourage conservation, a gas company charges two rates. You pay $0.53 per therm for 0-70 therms and $0.74 for each therm over 70. Write a compound fraction to represent the monthly cost of t therms of water.
What will be an ideal response?
Mathematics
Subtract the fractions. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Let n(U) = 53, n(A) = 20, n(B) = 15, n(C) = 27, n(? ? B) = 10 , n(? ? C) = 7, n(B ? C) = 8, and n(? ? B ? C) = 6.(a) Draw a Venn diagram displaying the given data and the number of elements in each basic region.(b) Determine n(A ? B ? C').(c) Determine n((A ? B ? C)').
What will be an ideal response?
Mathematics
Solve the equation.
= 
+ 3
A. 
B. 
C. 
D. 
Mathematics