Solve the problem.Find the measures of the supplementary angles.
A. 48° and 18°
B. 133° and 47°
C. 133° and 43°
D. 43° and 47°
Answer: B
Mathematics
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Solve the problem. Round to the nearest hundredth.945 is what percent of 1685?
A. 0.56% B. 0.06% C. 178.31% D. 56.08%
Mathematics
Find all real solutions to the system of equations using the addition method. x2 - 3y2 = 14x2 + 3y2 = 19
A. (-1, 2), (1, -2) B. (2, 1), (-2, -1) C. (1, 2), (-1, 2), (1, -2), (-1, -2) D. (2, 1), (2, -1), (-2, 1), (-2, -1)
Mathematics
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.Find the amount of markup of an item which cost a store $215. The store has a 25% markup.
A. $53.75 B. $268.75 C. $172.00 D. $860.01
Mathematics
Solve the system of equations algebraically for real values of x and y.
A. 
B. 
C. 
D. 
E. 
Mathematics