Solve the system by substitution. x + 4y = -10 9x + 3y = 9
A. (2, -3)
B. (-2, -2)
C. (1, -2)
D. No solution
Answer: A
Mathematics
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Provide an appropriate response. Write the statement as an equation and solve:How many ounces of water must be added to 6 ounces of juice concentrate to make 24 ounces of juice?
A. x = 6 + 24; 30 ounces B. 6 + x = 24; 18 ounces C. x - 6 = 24; 30 ounces D. 6x = 24; 4 ounces
Mathematics
Find the exact value. Do not use a calculator.csc 
A. 
B. 
C. 
D. 2
Mathematics
Using the Rule of 78, find the amount of unearned interest for the loan paid in full before the date of maturity. Round to the nearest cent.Finance charge: $80,696Total number of payments: 354Remaining number of payments, when paid in full: 22
A. $326.76 B. $324.92 C. $296.66 D. $298.34
Mathematics
Classify as true or false.GCD(a, a) = a
A. True B. False
Mathematics