Solve.A store sold 39 lamps on Monday, 19 lamps on Tuesday, and 25 lamps on Wednesday. How many lamps did the store sell in all?
A. 83 lamps
B. 84 lamps
C. 82 lamps
D. 93 lamps
Answer: A
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Solve the problem.If sin ? = 
, find csc ?.
A. 3
B. 
C. - 
D. undefined
Solve the problem.If a circular pond is 131 ft across, how long a line must a fisherman have to be able to cast to the center of the pond? Round to the nearest hundredth when necessary.
A. 32.75 ft B. 65.5 ft C. 411.34 ft D. 131 ft
Write a numerical expression for the phrase and simplify it.20 less than the difference between 6 and -2
A. [6 - (-2)] - 20; -16 B. [6 - (-2)] - 20; -12 C. 20 - [6 - (-2)]; 12 D. (6 - 2) - 20; -16
For the given amounts A and B, find the requested percent of change. Round to the nearest whole percent if necessary.A = 54, B = 243
Find the percent change if A changes to B.
A. 350% B. 450% C. 345% D. 360%